What IS a burglar alarm ? A burglar alarm is an electronic security device designed to detect unauthorized entry or intrusion into a build...

A wireless security alert system is a security system that uses wireless communication technology to transmit signals between the sensors, c...

KERUI W214 4G Tuya Smart Alarm  Feature： ◆ Provide digital color and LCD screen, and host status can be clear seen. ◆ Support traffic card ...

The KERUI W181 GSM Burglar Security System is a wireless alarm system that uses GSM technology to send alerts to your phone or other mobile ...