Transmitter Size| 83 mm*46 mm*20mm
Transmitter Frequency|433.92MHz
Transmitter Needed Strength|<5N
Transmitter Standby Power Consumption|0W
Transmitter Lifespan| >200 thousand times
Receiver Size| 83 mm*48 mm*23.5mm
Receiver Frequency|433.92MHz
Receiver Wireless Distance| About 60m(open area)
Receiver Standby Power Consumption|0.25W
Receiver Voltage|110V-240V AC
Receiver Plug|US,UK,EU,Chinese Version
Receiver Max Volume|100dB
Receiver Adjustable levels of volume|4 levels