AlarmLab ALD-200 Wireless Mini Open / Close Sensor (2 Pack)
Detects: Entry, Garage, Sliding, and other types of doors, windows or cabinets. Have AlarmLab turn on/off lamps when you enter or leave a room.
- Range: Up to 300 Feet
- Zones Available: Open, Close Tamper
- Battery: 12V A23 (Included)
- Battery Life: Up to 1 Year.
- Compatible with ALC-911-Pi3