DC office wireless mini electric musical doorbell - UN-T-18

DC office wireless mini electric musical doorbell

musical doorbell specification:

1.Door bell model: UN-T-18 can use DC supply: two or three batteries.

2.35different songs/ signals can be chosen via a small botton on the bell unit.

3.Volume of song/ signals can be adjusted.

4.Remote switch is battery operated and needs replacing after about 1 year or usage.

5.Operating range is about 100m. ( from switch to doorbell )

6.Install :emote switch at the location desired by means of screws or adhesive tape.

7.Easy to do it yourself. No need for wiring.

8.More efficiency and stable operation by the use of SMT technology.

35 different songs/signals can be chosen

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