Specifications:
Receiver:
Working voltage: 200-240V
Working current: 120mA
Power: 2W
Power charger: EU plug
Music: 36 cord music for option
Sound: 25-80dB (4 grade volumes)
Remote control distance: 100m (in open air)
Work frequency: 315MHz
Transmitter:
Work voltage: 12V (Battery Model: 23A 12V, not included)
Work current: 15mA(20 times a day by calculating, a high quality)
LED indicator: press the send button, LED indicator light will flash, emitter work and the receiver receive the order and then send out the beautiful music reminded you the VIP visit, the blue-ray LED of the receiver will regular flash along with the music
Temperature: -10 -50 \'c

Product dimensions:
Receiver: 9.5 * 6.0 * 3.4cm
Transmitter: 8.4 * 6 * 2.3cm
Product weight:
Receiver: 72g
Transmitter: 37g