1. Material: ABS, electronic components 2. Power supply mode: AC 3. Transmitter battery: 12V 23A battery x 1 (delivered with battery) 4. Receiver power supply voltage: 110/220 (V) 5. Power consumption: 1 (W) 6. Music selection: 48 music 7. Volume selection: 6 levels of volume 8. Scope of application: 350 meters 9. Dimensions: Transmitter: 7.3 x 4.1 x 1.9 cm, Receiver: 9.2 x 5.4 x 3.2 cm
