86-0755-88888888
2F, Bldg 5, No. 18-1, Yuquan East Road, Yulv Village, Gongming St., Guangming New District, Shenzhen, Guangdong, China (Mainland)
433Mhz Frequency Smart Home Wireless Doorbell with 12V Battery push button and Eye-Catching Flashing Indicators for the deaf, US $ 4.4 - 4.94 / Set, Online Technical Support, Return and Replacement, graphic design, 3D model design, total solution for projects, Cross Categories Consolidation, NO