Wireless Door / Window Entry Alarm Sensor System Set | Lazada PH Easily mounted by adhesive, no power tool, it can be stick on walls window closets hallway and etc It is compatible with most standard security system which is using 433Mhz receiver, very practical If a burglar opens the protected door or window, a magnetic switch inside the sensor will be triggered, which sets off the security system. Home Anti-theft Alarm Yosoo 433MHZ Magnetic Sensor Alarm System Wireless Door Adhesive Mount Sensor Tuya RF 433Mhz Wireless Door and Window Magnetic Sensor Built-in omnidirectional antenna, accurate, high-performance, wide range cover and low power consumption Description: These wireless door/window magnetic sensors are used to protect the opening of both doors and windows. DES-700 - Door Entry Alert System C/w Reflector Beam, Chime Door Entry Alert System Door Entry Alert System Prevent kids and babies going out the house without notice, protect your house from thiefs break in your house's windows and doors
