Wireless Door Chime BISTEE Doorbell Sensor Alarm for Business When Entering with 600 FT Range 58 Chi
<p><b>Color:</b> Black</p><p><b>Features:</b> </p><ul><li>🔔58 MELODIES & 5 VOLUME: Wireless doorbell features 58 chimes and 5 level adjustable volume(0 dB to 110 dB) to meet your needs for different occasions. LED indicators are suitable for the elderly and hearing impaired. Our doorbell chime will remembers your last melody and volume level after a power outage without reset to your previous settings.</li><li>🔔150 M/600 FT OPEN AREA RANGE: Door sensor chime signal can easily cross through doors or walls, ensures you will never miss a visitor, even if you are a few rooms away or on another floor. Note: The battery level will affect the signal receiving range of the doorbell, it is recommended to change every 12 months.</li><li>🔔EXPANSION SYSTEM: Door/window contact senor will detect every entry and send alarm warning to the door chime receiver to better protect your place. You will hear the doorbell chime to remind you when someone opening your door/window or your pet comin...