Features:
1) Choices for music: 3/16
2) Easy installation
3) Receiver operated by AA batteries
4) Transmitter powered by 12V, 23A battery, can last for 1 year with 20-
time-press a day
5) Built-in strong anti-interference system
6) Operating range: up to 100m (for hollowness distance)
7) Multi-music optional sounds
8) 12V, 23A battery attached

Outer packing:
60pcs/ctn
Carton dimensions: 40 x 40 x 35cm