23-2020-01 Wireless Doorbell Kit - 1*Receiver & 1*Remote 4U > Compatible with HDMI 1

> Compatible with HDMI 1

100-240V / 50-60Hz AC to DC Power Supply

Our New & Improved Better Value Bracket

Working humidity: 20-85 RH

3 microphone inputs - 2 amp outputs

23-2020-01 Wireless Doorbell Kit - 1*Receiver & 1*Remote 4U > Compatible with HDMI 1> 16 pieces of chord melodies for you to choose, different melodies for different remote controls available. > Melody volume can be adjusted. > Million groups of learning codes, can avoid interference effectively. > Advanced energy saving. > Transmit distance up to 80m. Battery Type > Remote: CR2032 > Receiver: 3*AA Function Keys and Operation Instruction > Code learning: Insert batteries first and then press the code button on the receiver to enter