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-222B 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!