IP65
AC Power
Yes
Up to 200m
YF-502
5 grade 0~110dB
1. Kinetic Battery free transmitter .
2. Plug in receiver with night light function .
3.Operating Range: 200M in open air
4. 64melodies for choosen ;
5. 4-Level Volume Control(25dB-100dB)
6. LED Indicator
7. Waterproof Push Button
8. Auto Learning code, easy to DIY but no interference .
9.one receiver can pair with 8 transmitters , one transmitter can pair many receivers ,no limited .
20days days