Smart Wireless Doorbell Plug & Play Door Bell Kit Plug-in Receiver Waterproof

Features ● Fit for home apartment classroom office villas and more ● User friendly design especially suitable for the elderly ● It can be a paging device for the elderly can signal for care when they need it most ● With 36 music and 4 volume meet your favorite music style and volume requirements ● Operating scope up to 300m in open area ensures you to hear the bell and answer the door in time Specifications Type Smart Wireless DoorbellMaterial ABSColor WhiteFrequency 433 92MHz ± 75KHzRingtone QTY 36Volume 4 Level AdjustableVolume DB 0 100dBWaterproof IP44Working Temp 30 70℃ 22 158℉Outdoor Unit 1x 12V 23A Battery NOT included Receiving Distance 300M 984FTOutdoor Unit 48 x 20 x 78 mm 1 89 x 0 79 x 3 07 inIndoor Unit 62 x 23 x 106 mm 2 44 x 0 91 x 4 17 inIndoor Unit US Plug We will send you a local adapter plug for using Voltage AC 110 220V 50 60Hz Pls make sure it is suitable for your local voltage standard Installation ● There are two ways to fix the transmitter tape and screw It is recommended to use the tape ● Easily plug receiver into an electrical outlet no batteries required for main receiver ● Install just plug it in location you need it to be heard then you put the button where you want someone to push the button Package Included 1 x Indoor Unit Plug in Receiver 1 x Outdoor Unit Transmitter 1 x Double Sided Adhesive Tape1 x Screwdriver1 x Screw Kit battery and other decorations NOT included Details Pictures