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HIGH PERFORMANCE TRANSMITTER: Ultra-low power consumption; uses a 23a12v alkaline battery that boasts 2 year maximum lifespan; IP44 dustproof and waterproof; working temperature ranges from -4 F-140 F; withstands various harsh weather conditions.
36 BEAUTIFUL CHIMES: press the music button to easily choose from 36 melodies; 4 adjustable volume levels, with a maximum volume of 85dB; enjoy pleasant melodies whenever someone rings at your door.
300 M / 1000 FT WIRELESS RANGE: To assured that you never miss any important guests or urgent deliveries even if you are several rooms away,This wireless doorbell is that it works perfectly in kitchen, bedroom, living room and all seasons.
DIY EXPANDABILITY and LOW POWER CONSUMPTION: You can expand each transmitters with up to 10 receiver. Code learning function makes it easy to customize your doorbell with multiple transmitters and receivers. Powered by 23A 12V battery, the transmitter is tested to ensure up to 10,000 times of press for daily use, eliminating needs of replacing battery frequently.
EASY INSTALLATION:Just plug the receiver into a wall outlet, install the push button with provided double sided tape or screw it to the wall (screws are included).