KOSLO doorbell switch.high quality sliner alloy material.thee on and off operations exceed 40000 times.the inner parts are made of phosphor bronze.materials pc,specification 86mm x 86mm.
No.50,Middle of Industrial Road,XiaoLan Town,
ZhongShan City, GuangDong,China.
ZhongShan City, GuangDong,China.
86-760-89827400
