Features:
Maximum 984ft /300Merter operating range in open area
38 unique ringtones
3 volume levels
LED indicators
Transmitter battery: A23 12V Alkaline Battery
Volume range: 25 to 80dB
Dimension: Receiver: 2.56 x 3.74 x 0.94in; Transmitter: 2.01 x 2.95 x 0.79in
Package Contents:
1 x transmitter
1 x receiver
1 x 23A12V alkaline battery