Beijing Yinhe Jinyuan STD Co.Ltd is one of the leading China triangle call bell c300 series manufacturers, welcome to wholesale cheap RoHS, CE and FCC service button, service call button, wireless table buzzer, wireless push bell from our factory.
Key name:QB301-Call QB302-Call, Cancel QB303-Call,Bill,Cancel
Distance: 500M (Open) Frequency: 433.92Mhz
Call Output: 10dB
Colors All have four colors: White, Sliver, Coffee, Orange
3-1104, Aoyu Building, Daxing,Beijing, China
86 10 60240439