Solar panel: 260 * 38 * 3.2mm/2V/300mA Net weight of product: 650g Light source: SMD2835/3V/0.2W Battery: AA/Ni Mh/1.2V/1200mAh Color temperature: 6000K,3000K Appearance: Black Charging time: 4-6 hours Lighting time: 8 hours Product size: 28 * 18.3 * 3.2CM Lamp body material: ABS+PC Function: optical control 1.Solar Powered This solar-lighted doorplate plaque features with a built-in rechargeable environment-friendly battery. The Amorphous silicon light sensor solar panels have capacity for solar power collection. Therefore, it can automatically charge itself in the day time and illuminates at dusk. 2.LED LIGHT The LED SMD offer bright enough cool white light, making your address numbers more visible in the darkness. It helps your visitors,emergency vehicles and parcel deliverers find your house at night. 3.Waterproof Suitable for Outdoor The ABS+PC plastic holds up to the waterproof standard and provides complete protection from water,heat,frost, dust, oil, and other non-corrosive material. The sleek roof-like also protects this plaque address from being damaged by water. It would be resistance to rainy days, windy days, snowy days and other weather conditions. 4.Included Numbers & Letters It comes with numbers (0-9) and letters, which enables you to DIY the doorplate according to your preference. 5.Easy Installation No wiring is required and it comes with a built-in battery and two screws. It could be mounted on the wall, the mail box,fence,etc. Click the on/off button, use a screwdriver to fix the screws/nails (come in the packages) in the wooden stake/wall, then hang the address marker by putting the two slots in the back of the main units into the screws.