Specifications:Light source: super-bright LEDLight color: white (generally), under your instructionSolar panel: Mono/multi-crystalline solar panelBattery: Ni-Cd or Ni-Mh (with RoHs) rechargeable batteryMaterial: plastic ABS/poly-resinLighting effective: up to 8 hours working time per day after 6hours charged, 2-3 hours rainy days(Generally:Led output:: 2 VSolar panel: 2V, 40mA/50mA/60mABattery capacity: 1 x 1.2V, 400mAh/500mAh/600mAh)