Features:    Integrated design of sound and light control    Auto delay and restore in dark    Waterproof, heatproof and durable     Over 12 Hours lighting time after one day charge    Mount on the wall easily and quickly.    Enough brightness, Intelligent Energy-saving .    Reliable long lifespan, maintenance-free, low cost    no strobe and no radiation    Energy-saving, environment-protecting Specifications:    Solar panel: 0.55Watt     Li-ion battery: 3.7V 800 mAh         LED: 16pcs 1 Watt.        Ray sensor: Auto-light at night .        Sound sensor: LED will run in power-saving mode in dark (dim light). When trigger the sound sensor, the LED turn on 100% power and last around 30 seconds automatically.   Stainless Material: metal+ plastic (sand blast and spray painting)         Main parameters:           Charging time under sunlight(1000W/m2)                  8Hrs         Max.current by solar(1000W/m2)         100mA         Standby current         0.1mA         Dim High current         300mA         Dim Low current         50mA     Running time for a fully charged product:         Working per night         12Hrs