Ultra-heterodyne radio-frequency transmission technology but low radiation,
The distance can reach up to 300 meters .

Using the high stability of the control chip, mature and reliable technology , import rigorous intelligent software program ,to reach the long and stability distance .

Advanced radio frequency technology, strong anti-interference isolation system, to keep transmission signal stable, and strong penetrating power.

High standards of clean production workshop environment, high precision automatic patch welding equipment, high standards of production process, high requirements of the quality control system, to provide the powerful safeguard to manufacture the stable and reliable products ;

58 optional music chimes ,with up and down button,you can easily select and change melodiyes to suit your taste or occasion . 5 level adjustable volume control, with memory chips for melodies and volume levels , don’t need set again when power off.

With high quality large magnetic coil speaker to make sure the beautiful sweet tones;

Volume grade : 0-110dB.

Memory chip to keep the melodies and volume unchangeable when power off;

Self-learning code ,it is ok for 1 transmitter match with 6 receivers ,or one receiver pair with 6 transmitters ,you can pair it by yourself .

100,000 edit code clip to keep each items with unique code in the same frequency ,it will never interfer with neighbors .

If you choose multiple transmitters pair with one receiver ,the front and back door melodies can be different .