smanos MD7000 motion detector

PIR, 2 x AA 1.5V, 868 MHz, PC/ABS, 90 x 90 x 36.8 mm With automatic temperature compensation technology, smanos MD7000 detects for tiny variations in the environment caused by human body movements and effectively minimizes false alarms. Easy to set up on a ceiling, the MD7000 works well in garages and all dwelling types, with a 360-degree effective range.