◆Installation: wall-mounted;
◆Power: 6F22 battery 9V;
◆Battery Life: Standby around 1 year;
◆Detecting distance:12m;
◆Detecting angle:110 degrees;
◆Open distance: 100-150M;
◆Chip IC: 2262 and 1527 IC Option;
◆Wireless freq: 433Mhz or 315Mhz;
◆Antenna Built-In Design;
◆Batteries, Bracket & Screws included;
