NB-loT wireless door and window sensors

NB-loT door and window switch sensor
Home Security Guard

Installed on doors, windows, etc., to monitor the opening and closing status and switching times in real time, and realize security alarms.

Simple and stylish, real-time monitoring
Exquisite and small, does not take up space, naturally blends into various home environments, and monitors the status of doors and windows in real time.

Multiple alarms, the first time to know the danger at home
Turn on the alarm after leaving home. When a stranger sneaks into the home, it supports the following remote alarm methods, so that you can know the danger at home in time; if you are not sure whether the doors and windows are closed, you can confirm it through the mobile APP.

No need for a gateway, just stick and use
Using NB-IoT communication technology, it can be connected to the Internet without a gateway, and no wiring is required. It can be attached and used immediately with 3M double-sided tape, which saves worry and effort.

Professional tamper-proof design, more secure to use
Anti-demolition and tamper-proof, once the thief disassembles violently, the police will be called immediately, and the car will be guarded intimately to create a safe life.

Seiko quality, safe and reliable
Using high-performance, low-power microprocessor, under normal use, the battery life is as long as 6 years, no need to replace the battery frequently; the shell is made of ABS fire-resistant and flame-retardant material, which has the characteristics of heat resistance and high temperature resistance.

A:the host      B:Auxiliary engine