GSM 433MHz Wireless Home Security Alarm System — SOS, Motion Sensor & High-Volume Siren

Compact GSM 433MHz home alarm offering SOS alert, motion detection and a loud built-in siren. The panel supports disarming via fingerprint cloth and can also be armed and disarmed on a regular (scheduled) basis. It includes a temperature and humidity display for environmental monitoring. The system can set 5 groups of telephone alarm for alerting contacts, and supports two-way voice communication with a mobile phone. Wireless sensors include a low-voltage prompt function to warn when batteries are low.You may also like W18 Smart Home GSM Burglar Alarm Central Unit Panel — APP Control, Motion Detection, 110dB Built-in & Wired Siren.