Simple wireless PIR alarm ,alarm when PIR detect any motion.      ////// Infrared coverage 10 meters, 140° horizontal and 90° vertical      /////Arm and disarm with remote control, contact distance within 10 meters       /////Ultra-alarm sound: 130 decibel siren                            //////Auto-reset 30 seconds later Entry delay: 4 seconds Exit delay: 30 seconds                  Power operation: 2 x AA size batteries (not included) Wall-mounted or free standing         Battery: low indicator Dimension (W x H x D): 64 x 95 x 47mm