1. Strong penetrating performance, the receiving distance can reach 300 meters in straight line.
2. 52 music switches freely.
3. 4 levels of volume can be adjusted.
4. Power supply voltage: The transmitter uses a 12V/23A alkaline battery(not included), and the receiver can be used when plugged in.
5. Transmitter size: 81x39x17mm
6. Receiver size: 81x81x45mm
7. Scope of application: residential and commercial residential areas, office buildings, hospitals, restaurants, factories and other places.
