Wireless Doorbell – Wookee 36 Tones

One emitter and one receivers.
Can adjust the volume with low / medium / high and down / up
36 tunes for different sound each time and flashlight will shine.
Work Frequency: 315MHz
Emitter working time: 1 year by one battery
Remote control distance: 100 Meters
Power Emitter: 1 x 23A 12V, Receiver: 3 x AA battery