LONG RANG UP TO 1000FT/300M: SilkRd wireless doorbell kit has highly sensitive doorbell receivers& transmitter button chime units .Stable signal and strong penetrations insure you hear the bell and answer in time.Perfect for hospital, hotel, residential quarters and warehouses
55 CHIMES WITH 5-LEVEL ADJUSTABLE VOLUME: The no battery receiver provides 55 different ring tones with adjustable volume from 0-110dB. Perfect as urgent pager for the older, or pregnant women, music alarm for children， dog training and portable paging system.
LED FLASH&NIGHT LIGHT : The LED indicator in wireless door alert receiver and sensor offer additional assistance for the hearing impaired.Built-in body Induction night light auto turn on and 45s delay off in the dark .
IP55 WINDPROOF&DURABLE: The push button powered by 12V/23A battery is rated IP55 weatherproof and dust proof for both indoor /outdoor. Working between -22 °F to 158°F withstands various harsh/cold weather conditions.
EASY SET UP&100% Guarantee: With its simple wireless plug-in receiver and battery operation transmitter, the wireless door and window chime sets up in seconds . If you are not satisfied with your wireless doorbell, just return it, we will replace it or refund your total purchase with no additional cost.