Heavy Duty, Metal Roller Shutter Intruder Alarm Contact

EASY TO SET UP Contains everything your need to get your alarm set-up in no time at all, including fixtures, fittings and batteries for a wire-free, quick and easy installation.

DEFENDER SHED ALARM - A dual-function wire-free alarm that allows you to secure sheds, garages, caravans and more.

Knight Fire and Security

Pre-Warning Alarm, Deters Break in Before The Damage Is Done

Door alarm uses remote controls to set security code for arming disarming; home security system complete with fully programmed main unit and sensors, later if you want to DIY, please factory reset first according to manual, then pair them again or search operation video on YouTube "KERUI Standalone Alarm System Operation Guide" for reference.

Durable Construction Crafted from high-quality materials, ensuring long-lasting performance and resistance to wear and tear.

How it works - Koostone Wireless Door Chime comes with 2 door window sensors and 1 receiver, and each sensor can set a separate sound with the receiver, that means you can know the front door or the back door or the mailbox opens without needing to go to see it. The sensors will detect the door window, and will be triggered to send out a signal when the door window opening. Receiver will receive the signal and alerts. It can be used as door chimes when door opens for business.

Stay alert by different notification modes such as garage door open close status, and overtime overnight notification to remind you to close the garage door. And you can check the garage door open close operation records through the app. Easily know all garage door information.

Supplied with Metal Cover

Dimensions Magnet Casting 75mm x 60mm x 32mm

EASY TO USE This wire-free alarm allows your to secure your shed, garage, outbuildings, caravans or more with a 12m detection range.

Note Please check if it is compatible with your remote control before purchasing. If it is a rolling code remote control, it is not recommended to use this remote control for duplication. If you have any questions about the product, please contact us and we will provide after-sales service for you within 24 hours.

Home Security Protective device monitors the opening and closure of doors and windows.Prevent kids and babies going out the house without notice. Protect your house from thiefs break in your house's windows and doors

START YOUR SMART LIFESTYLE - Do you want the house lights auto turn on once you come in the front door? Just Integrate the sensor with your smart lights! Create smart scene on Smart Life APP, you light can be automatically light on when you open the door. Note Require your smart light can be added to Smart Life APP.

Upgrade Durability Our upgraded door alarm sensor boasts a robust 100,000-use lifespan after rigorous testing, outperforming competitors. With ultra-low-power design and replaceable CR2450 battery, it ensures lasting reliability for your doors. Never worry about frequent replacements!

Durable with High Quality The door stopper alarm is made of great ABS plastic and stainless steel plate. Excellent performance in quality and service period. Mind the gap between the door and floor shall be at least 8-10mm for its normal operation.

Universal Compatibility This 433MHz Copy Remote Opener is engineered to seamlessly interface with a diverse range of devices including garage door openers, electric gates, and roller shutters. Its effective wireless transmission range of 50-150 meters ensures superior reach and responsiveness in various settings.

Application Access to factory or home access control and anti-theft alarm systems without barriers; suitable for opening and closing protection and monitoring of large doors and windows such as garage doors, rolling shutter doors, automatic doors; also the best choice for replacing old products;

Home Security Protective device monitors the opening and closure of doors and windows. Prevent kids and babies going out the house without notice. Protect your house from thiefs break in your house's windows and doors

Door alarm uses remote controls to set security code for arming disarming; home security system complete with fully programmed main unit and sensors, later if you want to DIY, please factory reset first according to manual, then pair them again or search operation video on YouTube "KERUI Standalone Alarm System Operation Guide" for reference.