86-0755-33075723
5/F, Bldg. A1, Shuichan Sanwei Industrial Park, Bao'an Ave., Xixiang, Bao'an Dist., Shenzhen, Guangdong, China (Mainland)
LS-819 Low power 100m universal Wireless doorbell infrared monitor sensor door bell alarm transmitter and ZK1PA receiver delay, US $ 4.33 - 5.13 / Set, Zhianbao, LS-819 and ZK1PA, Black, White, white.Source from Shenzhen Zhianbao Electronics Co., Ltd. on Waimaotong.com.