110db Wireless Chime Bell 300M Remote Doorbell Elderly Deaf Caller 1*receiver 2*transmitter

Features: The farthermost wireless effective distance can reach 300m adopting imported precision electronic materials in combination with specific long distance technology. Built in stable music chip loads 52 melodious ringtones, making the premium speaker output a pure and high decibel chord music. Top design style of Europe and America presents a simple, stylish and elegant appearance. Digital dual panel circuit design, ensures stable operation, strong and reliable performance. Adjustable four level volume can meet the needs of different environments and different volumes. Transmitter remote control button has a long life service for 25 years if pressed 5 times once day. User friendly package list with tape and a bag of screw, allows users to install without extra accessories. Suitable for homes, apartments, villas, hotels, offices, elderly care, hospitals, and etc. Configuration Method: Pairing: Press and hold the receiver volume button for 3 seconds, wait for the light to be on. After long bright, press the transmitter to complete the pairing. Unpairing: Press and hold the receiver volume button while plugging in the power. After about 8 seconds, release when the indicator light keeps on, and all the pairing information in the device will be cleared. Specification: Condition: 100percent Brand New Material: ABS Color: Black Plug Type: US 100 240V Optional Type: 1*receiver+1*transmitter, 1*receiver+2*transmitter Receiver Power Supply: AC 100 240V Power Consumption: 0.5W Working Frequency: 433MHZ Remote Control Distance: 0 300m(in open environment) Volume: Max.110db(four levels) No. of Music: 52 Size: Approx.82*82*43.6mm 3.2*3.2*1.7in Transmitter Battery: 1 * 23A alkaline battery Size: Approx.74*38.5*15.7mm 2.9*1.5*0.6in Optional Package Weight: Approx.135g 4.8oz or 160g 5.6oz Optional Package List: 1 * Receiver 1 * Transmitter or 2 * Transmitter 1 * Tape 1 * Screw Bag .