Features: Solar panel: polycrystalline silicon 5.5 V 0.33 W. Main materials: stainless steel, ABS and polycarbonate. Storage battery: 3.2 V 500 mAh. Light source: 1 x 0.4W white LED + 1 x 0.07W white LED. Lumen: 50 lm. Operating time: 8-12 hours. Charging time: 6-8 hours. Function: up to 5 meters and detection range of 90° vertically and horizontally. Smart Energy Saving: During the day, the solar panel mounted on the top of each light will charge the battery inside. As night falls, one LED automatically activates using stored energy from the sun, a second LED activates using PIR (passive infrared) technology when motion is detected. Fashion Lighting: 0.17W LED that will always be at night, 0.3W LED light will turn on when motion is detected.