Long Range Wireless Intercom Doorbell Kit, 100m Range, 2,Way Voice, 6,Month Standby, Home Apartment

Long Standby Time: 2 way intercom doorbell kit has a out unit with a standby time of up to six months, ensuring low power consumption and safe usage. Long Working Distance: The wireless doorbell has long distance transmission and high strength signal and sensitivity, and the maximum transmission distance can 100 meters, ensuring that you can always promptly hear and answer the doorbell.