Sell Home wifi wireless doorbell (not battery needed) Welcome Smart Chimes Door bell for shop home security doorbell best price

Product introduction : Self power generation wireless doorbell,integration with 52 songs, adopts advanced wireless transceiver technology and high-quality voice processing technology. Wireless doorbell can be applied to apartment, villa,shop, hotel,home, office building,meeting room ect . Product feature : 1. 52 available tones 2. 5 adjustable volume levels (including mute) 3. Memory function (when the doorbell receiver power on, the tone stays the same with the one being set last time) 4.Dazzling and colorful indicator light Product function : Self power generation : No need battery, press button and Kinetic energy turn into electrical energy . Ordinary doorbell was average changed a battery once a month , Every year need 12 batteries, one battery costs 1 dollar, You can save lots of money and batteries every year. Colorful light flashing with tones : Doorbell Receiver flashing along with playing tones, easy to remind people there is someone coming. light is about 0.3W, only 1-3 kWh a year 52 available tones : 52 tones for your option,you can select regularly,and don't feel bored.Avoid the same ring with the neighbors. Long distance transmission : Long operating range can be up to 330ft(100m) in open space, great for large house including villas, apartment, offices, shops, warehouses, etc. Easy installation : Just plug the receiver into power socket and attach the transmitter on door, you don't even necessarily have to make holes or damage anything. Packing including : 1*Doorbell 1*chime 1* User manual #wifi-doorbell #wireless-doorbell #welcome-doorbell #doorbell #door-bell #doorbell #smart-wifi #chimes #smart-doorbell #wireless-doorbell-no-battery #no-battery-doorbell #battery #wireless-doorbell-no-battery #doorbell-no-battery-needed #doorbell-with-camera #door-bell-camera