SKY-TOUCH Wireless Doorbell Set, Villa Doorbell With 1 Call Button & 2 Receiver, Waterproof Wireless Doorbell Adjustable Volume, Home Door Bell With Sound

2 receiver and 1 push button,talk between receiver and push button via wireless connection within a large range,stable transmission signal to make.It's widely used for office and house, get know who is outside, and convenient for the elder who needs much more time to open the door, very practical.
Reliable Doorbell Kit: Our product is made of the Non-toxic ABS material. Waterproof Push Button Remote keeps itself against from dust,rain and high temperature.36 ringtones available, Ultra-low-power design, energy saving and sustainable use.
Easy to install and use: wireless doorbell easily plug the receiver into an electrical outlet (batteries are not required for the main receiver). the push button can be fixed to the door frame with the adhesive tapes attached. simply mount the doorbell where necessary and you will be ready to start.
Multiple use: it is suitable for home, apartment, office, villas and more. you can use our bells to train dogs, use them to calm the classrooms, seniors and the disabled use bells as life-assisted call seekers! ensures that no visitor will be lost, you can hear the sound even from the back garden.
ULTRA LONG WIRELESS RANGE: Operating at 300 m range, the wireless doorbell ensures you will never miss any visitor, even if you are a few rooms away or on another floor; the doorbell plug in wireless includes 2 plug-in receivers and 1 transmitter, and the transmitter will not interfere with other appliances in your home or those of your neighbors.