AVANTEK Fully Wireless Doorbell Battery Operated, Mini 1000 ft Rang IP55 Waterpoof Battery Door Bell, Door Chime kit with 52 Melodies, 5 Volume Levels CD Quality Sound, BW-11

CONVENIENT BATTERY-POWERED RECEIVER: This battery operated doorbell powered by 3 AAA batteries (included) so no electric outlet needs to be occupied; simply screw the mounting bracket onto the wall and then hook the receiver on. The battery-operated doorbell kits only pair with other battery-operated doorbell kits, and they do not match other kits or accessories in our store 1000 FT/300 M ULTRA LONG WIRELESS RANGE: Will not interfere with other equipment in your home or those of your neighbors; ensures you will never miss a visitor, even if you are a few rooms away or on another floor 52 CHIMES TO CHOOSE FROM: 29 mm stereo speaker delivers rich and crisp sound; 5 adjustable volume levels with a maximum setting of 115 dB; press Next or Previous button to easily choose from 52 melodies HIGH PERFORMANCE TRANSMITTER: Ultra-low power consumption; the wireless doorbell uses CR2032 lithium battery that boasts 3-year maximum lifespan; IP55 dustproof and waterproof rating; works between -4 °F to 140 °F; withstands various harsh weather conditions MEMORY FUNCTION: Remembers your last melody and volume level after the battery replacement; no need to reset to your previous settings; convenient and easy-to-use design for an enhanced user experience, Manufacturer: AVANTEK