Sell Erph Wireless Doorbell 58 Chimes US/UK Plug Self-Powered Waterproof Door bell New best price

CACAZI No Battery Required Wireless Doorbell 58 Chimes EU/US/UK Plug Self-powered Waterproof Door bell Intelligent LED Ring Bell Wireless Doorbell No Need Battery AC100-240V Battery-free wireless doorbell no battery need and no wire. It uses unique energy harvesting technology and ultra-low-power wireless technology with worldwide patents pending.Help you to save your money and power. Specification Color: White/Black ( ABS) Plug:US/UK Plug-in Water Proof: Yes Power: AC100-240V(receiver), Self-powered(push button) Working range:200m in open area RF Frequency: 433MHZ Melody: 58PCS Volume:4 files Feature:Self powered(No need battery) Note: Press the pressure is slightly larger than the traditional doorbell, to ensure adequate power generation How to pair signals 1.Pairing method: press and hold the music button on the receiver for about 5 seconds (the light is on), release the volume button, then press the button immediately, the signal is successfully paired. How to modify and lock music? Press and hold the music button of the receiver before plugging in the power socket. Plug in the power socket until the light of the receiver lights up, release the music button, press the music button to adjust to the favorite music ringtone, press and hold the music button again until When the light is on, press the transmitter twice immediately and the music is locked successfully. Package list: * Indoor receiver * Outdoor transmitter * English user manual * Double-sided adhesive tape