GSM network protection, short message sending function. DIY, Customize, easy-to-use and install! ATS-802 is the updated advanced GSM prepaid module ma

a). Integrated with outdoor field,home, farm, business store, public plaza security
b). Widely used for residential area, office, workshop,...

Wireless type or wire type available.
1. Anti-light 50000LUX, with internal auto-adjusted percolation system, avoid affection of strong light or...

1- Telephone alarm: Automatically call 9 groups of telephone for alarm
2- Wireless connections: Through program to add the new detector to work...