1 Wireless door and window sensors, if someone forcibly opens the door, it will sound a loud alarm. 2 You can choose your favorite ringtone in the ringtone application, and the volume of the ringtone can be adjusted. 3 Ultra-low power consumption, the battery can stand by for 2 years. Quick response of 15 milliseconds, no delay in use. 4 Supports cloud history records, allowing you to master the time of each opening and closing of doors and window. 5 High-quality key components, fire-retardant shell. Easy to install, can be pasted without tools or fixed by mounting screws. 6 Mini size, does not take up space, can be installed on doors and window, can also be pasted on drawers, file cabinets, letter boxes and other places.
What's in the box
1 x Smart Door Window Magnetic Sensor
