YD-03-K01 DC Human Induction Wireless Door Chime, EU Plug, YD-03-K01 Mac Parts and the cable does not

and the cable does not have a microphone

- Protection: 600W lightning-proof and surge-suppress

16 English characters / line

Downlink 50-70dB

YD-03-K01 DC Human Induction Wireless Door Chime, EU Plug, YD-03-K01 Mac Parts and the cable does notInduction Head: 1. Packed three AAA 1. 5 V battery, or plug in the power adapter (DC 9 to 15 V p 250 2. Turning on the power supply, the doorbell can be normal use after 15 seconds buffer 3. Turn the function: "I" file induction head not pronunciation and receiver pronunciation; 4. When someone is in the range of sensing head (induction distance: 3 to 7 meters, induction Angle for around 120 DHS, 60 DHS), sensing head emit radio signal to the