30 Melodies
Frequency:433.92MHZ
Power Source: Receiver: 2*1.5V AA(excluded) (Portable)
Power Source: Receiver: 220-240VAC (Plug-In)
Remote:3V CR2032(included)
Simple learning function and memory function
Appearance colour :White
Plastic material: ABS
LED indicator
Transmission distance range:max.150m(open air)
Sound Level: =90dB
3 level volume control (high-mid-low)
Operation Mode: melody+flash, flash,melody
Energy saving for plug in model: Standby power less than 0.3 W"