1) Guest-saluting doorbells, the elite of the advanced computer manufacturing technology apply the function of automatic light sensitivity.
2) The excellent function, easy usage, energy saving, and high sensitivity make it meet the need of market more and closer to consumers' lives.
3) It's suitable for the dwelling houses, shops, offices, factories and so on.
4) It not only brings you convenience but also give you the unexpected happiness and safety.
* User Instructions:
1) Put in three pieces of AA 1.5V batteries. The power consumption of this doorbell is low, so the batteries can be sued for more than 2 months. Install the electronic quest saluting doorbell beside the door and turn the switch to music position, the electronic guest saluting doorbell will play music automatically when people come by.
2) Light control distance is 3 to 7 meters. It is advised to use in the places where there is enough light.
3) Three settings: Off, Voice, music (5 different tones.)