Product Overview: Choose a solar surveillance camera, no wiring needed, no power required. With built-in batteries and continuous solar charging for 365 days of uninterrupted use. Easy to install and use. Why choose a multi-lens camera? Traditional single-lens cameras cannot fully monitor 360 degrees, you need to install at least 2 cameras.A single camera has a monitoring blind spot, and the monitoring range is not comprehensive. The current upgraded version of a multi-lens camera , providing real-time monitoring on 2 screens, with no blind spots in 360 degrees, and only requiring the cost of one device. Key Features: 1、Optional single, dual camera surveillance. 2、Optional 4G or WiFi wireless connection function, but cannot have both 4G and WiFi modes at the same time. If you choose 4G, the device does not support connecting to WiFi networks. If you choose WiFi, the device does not support inserting SIM cards to connect to 4G networks. 3、WiFi version network: Only supports 2.4G WiFi, does not support 5G WiFi connection. 4、4G version only supports 4G network, requires using a 4G SIM card, supports 4G-BAND B1/B3/B5/B38/B39/B40/B41. 5、A single-screen surveillance machine has a single built-in camera, a dual-screen surveillance machine has two built-in cameras Purely manual measurement, there may be errors, please refer to the actual product. Due to the shooting light angle and monitor display factors, the product may have color differences, please refer to the actual product. Since the product will be continuously improved and adjusted in details, please allow for slight differences in small details between the actual product and the pictures and videos.