タイトルまたは説明

1. Adjustable Volume, ****0dB;
2. *8 kinds of melodies for choose;
3. Advanced touch can be pressed more than **0, **0 times;
4. Outside operating range up to **0 meters;
5.Unique design with touch ;
6. High precisely, no error when working;
7. Waterproof function ;
9. CE, RoHS, FCC,LVD,EMC certificates;
*0. Transmitter operated by *2V*3A battery(included).
  H***8D Technical parameter
Use with：Transmitter+receiver
Working Frequence：**5/**3MHz
Transmitter Working Voltage：≤*2V
Transmitter Power Consumption：≤*0mw
Receiver Working Voltage：AC（******0）V/(****0)Hz
Sound Volume Range：****5db
Material：ABS
Net Weight：0.*4kg
Transmitter size：*8mm x *0mm x *0mm
Receiver size：*30mm x *2mm x *0mm
Packing：*8pcs/carton