1. Material:Plastic 2. Dimension: (1) Housing: H15.8cm x W11.0cm (2)Hanging Pole: H42cm 3. Battery:1batteries included. Ni-cd 1.2V/600mAh, "AA" size, rechargeable. 4. LED: 2 LED included. Size of LEDs: 5mm Color for ordinary LED: White UV spectrum for UV LED: 390~410 5. Working voltage of the electrical grid:600v 6. Photocell included. The light is turned on automatically at dusk. 7. Moisture-detective sensor included. The UV LED and electrical grid will be switched off automatically in the rain or dankish circumstance. 8. Lighting time of UV LED during the night: maximum 6 hours after charged in daytime under sunshine(the time can be varied depending on how often the device kills insects. 9. Lighting time of ordinary LED during the night:maximum 8 hours after charged in daytime.