1. Material:Aluminium&iron 2. Dimension: (1) W29cm (2)H59cm 3. Battery:1batteries included. Lead-acid 6V/6A, rechargeable. 4. LED: 6 UV LED included. Size of LEDs: 5mm UV spectrum for UV LED: 390~410 5. Photocell included. The UV LED is turned on automatically at dusk. 6. Moisture-detective sensor included. The UV LED and Quant impeller will be switched off automatically in the rain or dankish circumstance. 7. Working time during the night: maximum 15 hours after charged in daytime under sunshine.