JOHNYSTAR a long time a large number of production and processing of various electronic products, fashionable and reasonable price, stable and reliable quality, packaging exquisite.

JS-222I wireless doorbell:

Two, the main performance:

1, working voltage: the doorbell is 3 V DC power; hand

Hold remote controller DC12V (23A).

2, the speaker volume: less than or equal to 75 db.

3, remote control distance: 50-100 meters.

4 using 433MHZ sound surface oscillator.

5 using CMOS process IC

Three, using method:

1, the doorbell will be put into 5 2 number of dry batteries. 2, open the remote control button back cover, into the 23A type battery,

Install at the door.

120 / means:60*45*52cm, gw:18.5kgs nw:17.5kgs, backcard!

According to the requirements of the guests to do the printing or packaging, it is the best choice for shopping malls promotion and advertising gifts

Welcome to a large number of foreign procurement!