Sell 【B111】 ELEGAN smart wireless doorbell with colorful lights + 38 polyphonic ringtones notification reminder, press to generate electricity without battery 120 meters range of household waterproof high-quality smart doorbell, UK plug One year warranty best price

What is a self-powered doorbell? What are the advantages? The transmitter of the ordinary wireless doorbell needs to be installed with a battery before it can be used. After the battery is exhausted, a new battery needs to be installed, which will be more troublesome. The self-powered wireless doorbell means that by pressing the button each time the doorbell is used, the transmitter can generate electricity for the doorbell to use. The transmitter no longer needs to be installed with a battery, making it more convenient to use. 1*transmitter+2*receiver: install the doorbell transmitter outside the door, and install the two doorbell receivers in different rooms. When the doorbell is used outside the door, both receivers can emit a tone 2*Transmitter + 1*Receiver: Install two doorbell transmitters on the front door and the back door, and install the doorbell receiver indoors. The receiver will emit a reminder whether you use the doorbell at the front door or the back door. Product name: wireless doorbell Volume: 0-85 dB，5 levels can be adjusted Material: ABS Product color: Silver/Gold Indicator color: Colorful colorful lights Launch distance: ≤260 meters Waterproof rating: IP44 Rated power: 3W Working temperature: -25℃-70℃ Working frequency: 433.92MHz ±75KHz Receiver voltage: 110-260V/50-60 Hz Product certification: FCC/CE/ROSE/appearance patent, etc. Ringtones: 38 music options Packing method: carton packing Pairing method: 1. When the receiver is powered on, press and hold the receiver volume button for 3 seconds to enter the pairing mode. 2. Press the button of the transmitter to be paired, and the pairing is successful when the sound is prompted. 3. When multiple receivers need to be paired with multiple transmitters, repeat the operation process in 1.2 after the pairing is successful. Features: 1. No battery is needed, finger press to generate electricity (kinetic energy is converted into electric energy), and wireless signal is transmitted, so there is no need to worry about frequently changing the battery of the doorbell. 2. Colorful colorful lights + 38 polyphonic ringtones notification reminders, the volume can be adjusted in 5 levels. 3. Strong penetrating ability, long transmission distance, stable wireless signal. 4. You can match the doorbell button and the number of hosts next to the door. 5. IP44 dust-proof and water-proof, effectively prolong the service life. Product principle: The doorbell button is affixed to the outside of the door, and the door-adjacent receiver is plugged into the socket at home and connected via wireless. Press the button outside the door, and the host immediately makes a sound. Packing List: 1× button 1× receiver 1× Double-sided tape 1× Instructions After receiving the goods, if you have any questions, please contact us immediately. We will try our best to solve the after-sales problem for you, please don't give me bad comments. Thank you. #ELEGAN#Wireless Doorbell#Smart #Wireless