Product Overview
We are the manufacture and supply a wide range of Wireless And Battery-Free Doorbell in Shenzhen, Guangdong, China. Our switches and module are non-wired, self powered, no battery required and maintenance free. They are suitable for use in both new and retrofitting buildings. Products: Transmitter (switch)and receiver (A set) Advantages:non-wired,A selfA powered,A noA batteryA requiredA andA maintenanceA free. Technology: RF Energy Harvesting Technology Frequency: 433/315/868/915 MHz Number of Keys:1 Gang MOQ: Over 1/pcs
We are the manufacture and supply a wide range of Wireless And Battery-Free Doorbell in Shenzhen, Guangdong, China. Our switches and module are non-wired, self powered, no battery required and maintenance free. They are suitable for use in both new and retrofitting buildings. Products: Transmitter (switch)and receiver (A set) Advantages:non-wired,A selfA powered,A noA batteryA requiredA andA maintenanceA free. Technology: RF Energy Harvesting Technology Frequency: 433/315/868/915 MHz Number of Keys:1 Gang MOQ: Over 1/pcs
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