Knight Plastics Heavy Duty Roller Shutter/Garage Door Alarm Contact.

Surface mounted on the ground with 50 mm operation gap

Suitable for 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.

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

Warranty 1 year warranty, 30 days money back, 7x24 hours email support.

This is a set of magnetic detection switch used to protect doors and windows for the most part. Easy to install and use. A good replacement for old contacts. Simple to install without problems

Works with most professional intruder alarms.

Easy to Install Just use the attached stickers to gently install the burglar alarm on various parts of the house, such as doors, windows, cabinets, drawers, gates, etc.! (Note Keep the installation area clean and ensure that the sensor is installed within 2 cm from the arrow side of the alarm.)

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.

This is a set of magnetic detection switch used to protect doors and windows on your most; Easy to install and use, a good replacement for old contacts - Simple to install without problems

Dimensions Magnet Casting 75mm x 60mm x 32mm

Home Alarm Systems The home security systems will be triggered when door or window is opened or closed, you will get an instant alarm notification on your phone within about 1 - 8 seconds depends on Wifi networks. (NOTE Only support 2.4Ghz. No built-in siren, but the alert message to your phone.)

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

Keypad to arm and disarm

Surface Mounted

PORTABLE EASY INSTALLATION - Small size to pack in luggage in travel, while stick on and off, perfect for travel hotel safety, or home security at home as a door & windows alarm around the home, shed or garage, perfect lockout & tagout product and occupational health & safety products at office.

Wide Applications The alarm system is very suitable for shop doors, sheds, garages or sliding 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.

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.

Protect Doors and Windows - This magnetic contact switch is designed to monitor the opening and closure of doors and windows, providing added security for your home, garage, warehouse, or shop.