Ruick Wireless Doorbell, Waterproof Chime Kit Operating at Over 1,000 Feet with 36 Chimes, 4 Level Volume & LED Flash (2 Receiver + 1 Button)

Specifications Control Range: 1000 feet (without obstructions) Work Frequency: 433MHz Receiver Voltage: 90-260V Receiver Power: 0.25W Volume: 4 levels from 20 to 80db Chimes: 36 tunes Battery: 12V 23A Alkaline Type battery Waterproof (Transmitter): IP44 Transmitter:Size:7*4.5*1.7cm Working Voltage: 12V (battery type: 23A 12V included) Operating current: 12mA Receiver:Size:10*5*4.8cm Tones Kinds: 36 Voltage: AC 90--260V Operating Current: 60mA Quiescent current: 7mA Controlled volume: 20-80dB Package Contents: 1 x Remote Push Button (Transmitter) 1 x Plugin Chime (Receiver) 1 x Double-Sided Adhesive Tape 1 x 23A 12V Alkaline battery for transmitter 1 x Battery Cover Opener 1 x Manual Please Note wireless doorbell can be used for outside. If the doorbell (the push button) got splashed wet in heavy rain, please let it dry in air. The button can work normally after it dry. If you press the button, the receiver does not respond, please hold down the receiver's volume key for 3 seconds. After the red light starts, then press the button and you can use it. Warranty Policy RUICK promises to provide ONE year replacement and refund warranty. If you unhappy with the doorbell or get a poor quality one, please contact us, we will try our best to solve your problem.