28 Chimes Wireless Doorbell IP68 Waterproof Remote Control Receiver LED Flash

Features: NO BATTERY REQUIRED: Door transmitter is used the unique Kin etic technology that generates electric power to ring your home doorbell without any battery and create wireless signal. 50 M/164-FT WIRELESS RANGE: 1 receivers included; will not interfere with other equipment in your home or those of your neighbors; ensures that you will never miss any visitors, even if you are several rooms away, 28 MELODIOUS CHIMES: 40 mm stereo speaker delivers rich and crisp sound; 4 adjustable volume levels with a maximum volume of 110 dB; press Next or Previous button to easily choose from 28 melodies and you will enjoy pleasant melodies whenever someone rings at your door, IP68 WATERPROOF: IP68 dustproof and waterproof rating; works between -10 C to 55 C; withstands various harsh weather conditions, MEMORY FUNCTION: Preserves your last-set melody and volume level after a power outage; no need to reset to your previous settings; convenient and easy-to-use design for an enhanced user experience, EASY TO SET UP: Just plug the mini receiver into a socket and fix the transmitter on a wall with the accessories provided; includes Double-sided adhesive tape, Specification: Power consumption: 0.1W Power Supply:Receiver(AC 110-120V/220-240V) Transmission distance: 164ft / 50m maximum effective range Waterproop: IP68 weatherproof & dustproof Working temperature: -10C to 55C(Receiver) /-20C to 65C(Transmitter ) Volume: 25-110dB Working frequency: 433.92MHz+200KHz Package included: 1 x Transmitter 1 x Wireless Doorbell 1 x Adhesive patch 1 x User Manual Details pictures: