SG Seller Wireless Doorbell Waterproof Operating Distance 200 meters Water and Dust Barrier Smart Home Remote

Material: ABSApplicable: Open transmission distance up to 200 metersProduct selling points: Long battery life, strong signal, adjustable volume, multiple music trackscharacteristic:1: The doorbell transmission can reach up to 200 meters. Due to the use of wireless high-frequency technology signals, the distance can be affected by obstacles such as walls and anti-theft doors. In open scenes, the transmission distance can reach up to 200 meters2: Level 3 volume adjustment: The whole house can hear the receiver speaker, and the volume can reach up to 85 decibels, which is also easily accepted by the human ear. However, if you listen to it for a long time above 85 decibels, your ears will feel uncomfortable, so you need to pay attention3: Long term plug-in use with low power consumption and "no fever". Only 3-5 kWh of electricity is needed for 1 year. Long term plug-in use with peace of mindPackage list: transmitter * 1+receiver * 1+sticker * 1