Noah Ark Technology (HK) Limited Co., Ltd. is a prefessional supplier, majoring in the supply of surveillance equipment, such as wireless switch, home security system, baby monitor, IR camera, USB hidden camera and car backing rearview system which are wildly sold market used our daily life ...

sapalisa's former mission was to furnish technical products and personalized solutions for home automation system integrated with world leading technologies; deliver intelligent control on lighting, shade, climate, audio/video, security as well energy management residential ...