our main products are gsm alarm,mms gsm alarm, IP camera,wireless alarm,power alarm,anti-losing alarm,door/window sensor,etc Wireless wide angle PIR detector-ABS-600-01 long detec range 8-15m Outstanding features:A. Stronger anti-error report and much better detecting ability.C. Easy to install, absolutely wireless, power supply built-in, wireless telegraph transmitting signal.D. Save power ...