Best Seco-Larm in 2026

Fail-secure operation - Door remains locked if power to the strike is lost

Includes Stainless Steel No-Cut and Silver-Colored Aluminum Low-Cut Strike Plates

Can be used with virtually any cylindrical door locking system

12VDC or 24VDC power keeps heavy-duty magnetic lock closed

Manually release lock through a security system or remote control

1200 pound holding force capacity

Up to 1,000 possible user codes (4-8 digits), Output can be programmed to activate for up to 99,999 seconds (nearly 28 hours)

Up to 50 (01~50) possible temporary visitor codes, which can be programmed for onetime or limited-time use (1~99 hours)

Durable and attractive stainless-steel faceplate, Programmable delayed egress input lets users exit the premises without keying in the code

For outdoors gates, garage doors, etc; Weatherproof (IP66) construction for indoor/outdoor usage

Dark ON operation, Adjustable sensing distance, Compact size

12~240VDC / 24~240VAC Operation, Current: Up to 40mA@12VDC

Used for overhead doors in both industrial and residential situations where a wide gap is present

Adjustable to fit most door-channel widths

Rugged aluminum housing

Rugged aluminum housing

Weatherproof and sealed for outdoor use

Iridium-plated to have a high melting point and Vickers hardness, for higher power handling and long life

Weatherproof Stand-Alone Digital Access Keypad, 12 to 24 VAC/VDC operation; 1010 Users (Output number 1: 1000 users, Output number 2: 10 users)

2 Form C relays, each rated 1 Amp at 30 Volts DC; Each relay has programmable output time from 1 to 99 seconds or toggle

Output number 2 can be programmed for use with a doorbell; 2 Egress inputs and 1 door sensor input

For use with door closers to control the release and closing of residential, commercial, and public area doors

Adjustable armature plate reduces installation time and adjusts to door alignment changes

Low profile design, Holding force 33-lb (15kg), 3 voltages (12/24 VAC/VDC, and 120VAC)

Built-in laser beam alignment system speeds accurate, reliable positioning

Twin infrared beams provide reliable perimeter security, minimizing false alarms from falling leaves, birds, etc.

Lensed optics reinforces beam strength & provides excellent immunity to false alarms due to rain, snow, mist, etc.

Rugged construction: Heavy-duty stainless-steel faceplate with a coated steel backing

Built-in proximity card reader

12~24 VAC/VDC Operation, auto-adjusting

For use with door closers to control the release and closing of residential, commercial, and public area doors

Adjustable armature plate reduces installation time and adjusts to door alignment changes

Low profile design, Holding force 33-lb (15kg), 3 voltages (12/24 VAC/VDC, and 120VAC)

Stainless-steel plate

Momentary push-button switch with ring guard

Contact rated 1 Amp@125VAC

Adds concealed deadbolt security to most wood or hollow metal doors, with the convenience of electrical operation

Incorporates manual lock/unlock cylinder to operate the SD-997A-GBQ if power is lost (turn lock knob from inside protected premises and/or use key from outside protected premises)

Attempts to relock multiple times if the door is not closed properly to prevent the solenoid from burning out. Once the door is closed properly it will automatically lock

4 Conductive wires – 4x 28AWG wires, 0.5A@24VAC/VDC

Standard 5-knuckle hinge

12 or 24 VAC/VDC operation

For "informative" general signaling requirements, For 6 to 24-Volt use, Incorrect polarity cannot damage circuit or draw current

Easy 2-wire installation, regardless of voltage; Low current consumption with long operating lifespan of over 300 continuous hours (2,000,000 flashes)

Lens is made of high-impact resistant acrylic, case of high-impact resistant ABS plastic

Can be used with virtually any cylindrical door locking system

Shallow design for use with most metal doors

Reversible non-handed design fits either right hand or left-handed doors

Field-programmable in just seconds for fail-secure or fail-safe applications

Can be used on virtually any cylindrical door locking system

The SECO-LARM Electric Door Strikes convert cylindrical lock sets to an electronic access controlled locking system

Operating life over 50,000 hours (over 5.7 years)

​Simple 2-wire installation

Reverse polarity protection

Fits metal or wood doors up to 36" (91cm) wide

Reversible non-handed design

Door weight up to 140-lb (65kg)/Size 3

Intuitive, visual app-based programming and management, 1,000 users, device options, etc

Multiple user types, User customization, Authorized user monitor

Secure integrated Bluetooth. Passcode protected, AES 128 encryption

Unique design accommodates both wood and metal doors, Fail-secure operation

Reversible for right or left-handed doors, Durable stainless-steel faceplate

Miniature lock body for easier installation, Corrosion-resistant case and moving parts

Face and side (surface) mounting

For sliding or swinging gates

Maintenance-free, factory-sealed design

For 6- to 12-Volt use, For "informative" general signaling requirements, Incorrect polarity cannot damage circuit or draw current, Pack of 2

Easy 2-wire installation, regardless of voltage; Low current consumption with long operating lifespan of over 300 continuous hours (2,000,000 flashes)

Easy 2-wire installation, regardless of voltage; Low current consumption with long operating lifespan of over 300 continuous hours (2,000,000 flashes)

10 Vertical LED strips (54 LEDs) increase visibility from various directions

Built-in 100dB programmable siren, Six different flash patterns

Backup battery available for continuous lighting applications

KEEP YOUR HOME SAFE – Designed to withstand 800 lbs. of force, this U 10827 satin nickel finish door reinforcement lock helps to prevent doors from being kicked in, increasing your home security and keeping you and your family safe!

EASY INSTALLATION – The included 3” hardened screws make installation a breeze – extra security and peace of mind can be achieved in just minutes!

ADDITIONAL HOME SECURITY - Use this high security door reinforcement lock for additional home security on any swing-in door of any door thickness. It helps to ensure any door cannot be opened from the outside.

Patlocks Instant French Door and Conservatory Security Lock

Easily fitted and released in seconds

No keys or code numbers required

[Keep your home safe] CRANACH security door lock Designed to withstand 800 lbs. of force，12times stronger than a normal deadbolt to against being kicked in,this reinforcement lock increasing your home security and keeping you and your family safe!

[Childproofing and Tamper-resistan] This door guardian has a spring-loaded design which can keep child safe. The child proof door locks can be installed higher on the door where your children can’t reach! Plus, prevent child from opening the door to unknown people.

[Easy to Install] Use power screwdriver and drill to mount CRANACH security door lock on your door frame ,finish DIY. CRANACH reinforcement door lock installation less than 5 minutes.Equipped with two sets of screws, four 1" and four 2", the length of the screw can be selected as needed.

REPLACE STANDARD LATCH AND STRIKES – The Defender Security U 10385 door strike is designed to replace the standard, separate latch and deadbolt strike plates with a one-piece combo plate.

MAXIMUM SECURITY STRIKE – This door strike provides maximum security! It comes with a one-piece combo plate plus six 3 in. long screws for maximum security. These longer screws allow for a strong hold, which helps prevent kick-ins.

TALLER LATCH AND BOLT OPENINGS – This door strike features slightly taller latch and bolt openings to accommodate door hardware spaced from 5-1/2 in. to 6 in. hole centers.

✓ 【Keep Your Home Safe】The 3" door lock is designed to withstand maximum 800lbs of force for Inward Swinging Door. It helps prevent doors from being kicked in. Increasing your home security and keeping your family safe.

✓ 【Easy to Install】Come with strong screws. Simply mount the door lock on your door frame using a screwdriver or power tools. The installation takes less than 5mins.

✓ 【Easy to Lock & Unlock】To unlock, pinch the door lock on the top and the bottom. Then slide the lock sideways along the door to the direction of the hinges until it can be pulled outward.

🚪UPGRADEDSECURITY DOOR LOCK DESIGN, KEEP YOUR HOME SAFE: 3" stop metal construction with 8 strengthen screws, including 4 long and 4 short, which you can choose according to your needs. The home security door lock is designed to withstand 800Ibs of force, 12 times stronger than a normal deadbolt to against being kicked in. WINONLY security door lock guard your home safe, keep your family peace in mind. Add Extra Door Lock, Defender you and Prevent Unauthorized Entry.

🚪UPGRADED EASY OPEN DESIGN - Groove Design for Easy Opening in Emergency. Place index finger on top of WINONLY door lock and thumb on bottom and slide lock away from the base plate along the door in the direction of the hinges then pull outward. No tools are required to open, just a little practice. Not only prevents breaking in but is also easy to open in case of emergency. Home Essential Door Lock Reinforcement for Kids and Adults!

🚪EASY TO INSTALL - Use power screwdriver and drill to mount WINONLY security door lock on your door frame, finish DIY WINONLY door lock installation in less than 5 minutes. Easy to match any inward swinging door. WINONLY safety door lock guard your home security as a door defender. Ideal and safe door lock latches devices for tenants and landlords.