Dahua, Integrated Solar System(with battery) without camera, Integrated Design Simplifies the Unified Installation of Camera, Solar Panel, and Battery Ternary lithiumNominal Voltage 11.1 VDC, Nominal Capacity 20 Ah/222 Wh .Supports O&M for Battery Information, Providing Instant Access to Battery Status and Statistics.The Indicator Light Shows the Device Status in Real Time. IP66 , compatibel with DH-IPC-HFW2449DGP-ZAS-PV-4G-EAU-2712-PRO, Monocrystalline solar panel 60 Wp.(Location and orientation have an influence on the operation of this product, a 100% uptime cannot be guaranteed and is largely dependent on orientation and number of hours of sun per day.)