KAER 3-5 Gun Fingerprint Safe Review: Long Gun Cabinet Worth It?
The KAER 3-5 Gun Fingerprint Safe is a tall, floor-standing long gun cabinet built around scoped rifles and shotguns. The seller says it holds up to five long guns, uses an adjustable shelf so optics can stay mounted, and pairs an illuminated keypad with emergency keys and an external 9V battery port. It is aimed at someone who wants a bedroom, closet or garage cabinet that costs far less than a traditional steel rifle safe and who is willing to read the fine print on its construction. It is not the right choice if you need a published fire rating, a measured steel thickness or a certification, because none of those appear in the information we reviewed.
Bottom line:
- Best for: a budget-range long gun cabinet that fits scoped rifles upright and can be bolted to a wall or floor.
- Main strength: three access paths (keypad, emergency keys and a 9V external power port), so a flat internal battery should not lock you out.
- Main limit: no fire rating, no stated steel gauge and a naming mismatch between fingerprint in the title and a combination lock in the specs.
Quick specs table
| Item | What the listing says |
|---|---|
| Dimensions | 11.81″ D x 13.78″ W x 51.9″ H |
| Lock type | Electronic combination lock, with backup keys |
| Capacity | Up to 5 scoped rifles or shotguns, per the seller |
| Material | Alloy steel |
| Mounting | Floor mount, pre-drilled holes and anchor bolts included |
| Special features | Alarm system, anti-theft, childproof, removable shelf |
| Included | Emergency keys, external power box, gun stock kit, user manual, partition board |
| Water resistance | Water repellent |
| Color | Black |
Access and lock
The listing title says fingerprint lock, while the specification table says electronic combination lock and the seller bullets describe a digital illuminated keypad, backup keys and an external 9V battery port. The bullets never describe a fingerprint scanner. That mismatch is the first thing to resolve. Open the product images and the user manual description on the listing, and confirm whether a fingerprint reader is physically present before you pay for one. If biometric entry is your main reason to buy, do not assume it.
What the seller does describe is a layered access system. The keypad is illuminated, which helps in a dark bedroom or garage. A silent mode mutes the keypad beeps for quiet nighttime entry, which is a thoughtful touch for a bedroom. Emergency keys come in the box as a mechanical fallback, and the external 9V port is the notable feature: if the internal battery runs flat you can supply power from outside rather than being locked out. An external power box is also listed among the included components.
Keep the emergency keys somewhere that is not the cabinet and not an obvious drawer. A backup key that a child can find undermines the electronic lock entirely.
Build and security features
The seller describes thickened solid steel with seamless edges, three deadbolts and a zero-gap design intended to resist prying. The specification table lists alloy steel and an alarm system as a special feature. What the data does not give is a steel gauge, a pry-test result, a certification or any fire rating. For that reason, treat the anti-pry wording as the manufacturer’s description and not as an independent rating.
Three deadbolts on a tall narrow door is a reasonable layout on paper, since the points of contact are spread along the edge instead of concentrated at the latch. Whether the door and frame resist leverage in practice is not something the listing proves. A cabinet in this price range is generally best understood as a barrier against children and opportunistic access, and as a way to keep firearms organized, not as protection against a prepared burglar with tools or against fire.
Water-repellent finish is a small plus for garage or cabin use, though it is not the same as waterproof. Laws on safe storage and child access differ by state, so check the rules where you live.
Interior and fit
The outside measurements are 51.9 inches tall, 13.78 inches wide and 11.81 inches deep. The seller says it holds up to five scoped rifles or shotguns, and that the adjustable shelf lets you organize them without removing optics. A partition board and a gun stock kit are in the box. The stock kit is meant to cradle the butt of each long gun, and the removable shelf lets you convert some of the space to a different layout, such as fewer long guns plus a shelf for accessories or optics cases.
The listing does not publish interior dimensions or per-slot spacing, and that matters more than the headline capacity. With a 13.78 inch outer width, five rifles side by side with scopes will be tight. A realistic approach is to assume the maximum count applies to slimmer rifles and shotguns and fewer when you have wide scopes, thick stocks or bipods. Measure the barrel length of your longest rifle against the 51.9 inch outer height, subtracting the base and top, and check how much clearance your scope’s turret and objective need. If you shoot with a long-barreled rifle or a tall optic, ask the seller for the interior height before ordering.
Mounting and placement
This is a floor mount cabinet. The seller says pre-drilled holes and anchor bolts are included, and that it can be fixed to walls, floors or cabinets for use in a garage, basement or hunting cabin. Anchoring is not optional for a tall, narrow cabinet. A 52 inch tall box that is empty or lightly loaded can tip, and a tipping cabinet is a hazard to children as well as a security weakness. Fix it to the floor, and ideally to a wall stud too.
Check whether the included anchor bolts suit your surface, since concrete, wood framing and hollow walls each call for different fasteners. Consider what is beneath the cabinet before you drill. Also leave clearance for the door swing, and plan where the external power box and 9V port will be reached so you are not moving the cabinet in an emergency.
Power and batteries
The keypad runs on an internal battery. The listing does not state the battery type or the expected life, so read the manual excerpt on the listing or the product page for those details, and plan a routine to swap cells on a schedule instead of waiting for a low-battery warning. The 9V external port means a dead internal battery should not be a lockout, as the seller puts it, but you still need a working 9V battery stored somewhere that is not inside the cabinet.
Silent mode and the interior LED are both powered, so they will contribute to battery use. If you rarely open the cabinet, the drain from the lighting is probably small, but the listing does not quantify it. Test the backup process yourself soon after installation, with the door open, so you know exactly how to apply external power and where the keys are.
What owners say
No summary of owner feedback was available for this product at the time of writing. We will not guess at themes. When you scan the customer reviews, look specifically for:
- Whether buyers confirm that a fingerprint reader exists, or describe only the keypad.
- How many rifles with scopes people actually fit, and with what optics.
- Assembly and delivery condition, since a 52 inch cabinet can arrive dented.
- The ease of programming the code, and whether the silent mode works as described.
- Door alignment and how the deadbolts engage once the unit is anchored.
The listing shows a moderate amount of customer feedback, so there should be enough material to compare claims against real experiences.
Pros and cons
The strengths are the capacity for scoped rifles, the three access methods, the external 9V port, the included mounting hardware and the interior light with silent mode. The weaknesses are the unclear fingerprint claim, the absence of a fire rating or steel gauge, the tight width for five rifles and the need to anchor a tall cabinet properly.
How it compares
This is a long gun cabinet, so the alternatives we cover are mostly handgun boxes and serve a different purpose. The Hornady RAPiD Safe Keypad Vault has RFID, a keypad and a key, and is built for a handgun beside a bed, with pre-drilled holes for bolting down. It is a sensible companion if you want fast handgun access in addition to rifle storage.
The Hornady RAPiD Safe RFID uses a wristband, fob or sticker and a spring-assist lid. It addresses speed of access, which a tall cabinet with a keypad does not.
The Vaultek LifePod 20 and StopBox USA are portable boxes, which are useful for vehicles or travel but not a replacement for a rifle cabinet. If you are comparing other upright options, read our best gun cabinets guide and the main best gun safes page.
Price and deals
At the time of writing the KAER sat in the $100 to $200 range. That is low for a tall steel cabinet, which is part of the appeal and part of the reason to read the construction details carefully. Prices move, so check today’s price on Amazon. We track whether any coupons are live in our KAER 3-5 Gun Fingerprint Safe promo code page, and you can browse everything we cover in the gun safe reviews A to Z list.
Final verdict
The KAER 3-5 Gun Fingerprint Safe is a practical way to get scoped rifles upright and locked away in a garage, closet or cabin for a modest outlay. The keypad, emergency keys and external 9V port give it a better lockout plan than many budget cabinets, and the included anchor hardware shows the maker expects it to be bolted down. The caution is about proof. The listing offers no fire rating, no steel thickness, no pry-test data and an inconsistent description of the fingerprint feature. Buy it if you want organized, child-resistant storage and you will verify the interior fit and anchor it well. Skip it if you need rated protection. Check your state’s storage rules before deciding.
KAER 3-5 Gun Fingerprint Safe FAQ
Does the KAER 3-5 gun safe really have a fingerprint lock?
The listing title says fingerprint lock, but the specifications list an electronic combination lock and the seller bullets describe a digital illuminated keypad, backup keys and an external 9V port. Confirm on the product images or manual whether a fingerprint reader is included before relying on it.
What happens if the KAER safe battery dies?
The seller says there is an external 9V battery port to avoid lockout when the internal battery runs out, and emergency keys are included. Keep a fresh 9V battery and the keys outside the cabinet, and practice the backup procedure soon after installation.
How many rifles fit in the KAER 3-5 gun safe?
The seller says up to five scoped rifles or shotguns, using an adjustable shelf. The outside width is 13.78 inches and interior dimensions are not published, so wide scopes or thick stocks may reduce the count. Check the listing for interior measurements first.
Does the KAER 3-5 need to be bolted down?
It is listed as a floor mount cabinet with pre-drilled holes and anchor bolts. At 51.9 inches tall and under 14 inches wide, an unanchored cabinet can tip, so fasten it to the floor and, ideally, a wall stud, using fasteners that suit your surface.
Does the KAER 3-5 have a fire rating?
The information we reviewed lists no fire rating, no steel gauge and no certification. It describes anti-pry construction with three deadbolts, but that is a seller description. If fire protection matters to you, look for a safe that publishes a tested rating.
FindsCheaper is reader-supported: as an Amazon Associate we earn from qualifying purchases, at no extra cost to you. We research listings, manuals and owner feedback; we do not accept payment for placement. Prices, coupons and availability change, so check Amazon for the current details. Store firearms safely and follow your state’s storage laws.

