- The Sensor Transmitter is powered by both solar and a lithium battery (included)
- Long battery life - up to 4 years
- The Chime Receiver is powered by plugin to AC wall outlet or (4) AA batteries (not included)
- Wireless range up to 500 feet - large metal objects can affect range.
- 4 volume levels on the Chime Receiver
- Choose from 35 ring tones
- Receiver - 6.4" per triangular side by 2" height
- Transmitter - 4.8" T x 1.7"W x .95" D