1. Operating voltage: 9V to 16V 2. Current : 12mA 12V 3. Alarm Contacts: 0.1amps 24V 4. Tamper Contacts: 0.1amps 24V 5. Operating Temperature: -5 degree C~50 degree C 6. Operating Humidity: 95% 7. Size: 89 x 52 x 39mm (L x W x H) 8. Package Included: 1 x Wireless PIR IR Motion Sensor for Alarm Home Security System