It is made of material, which can be used for a long time. This solar light doorplate would absorb the sunlight and convert into electricity for night lighting for see the door numbers. Good sealing performance, good waterproof level, easy to with all kinds of weather. Features -Color:Black -Material:Plastic -Size:18.50X28.00X3.00cm/7.27X11.00X1.18in -The light source power: 30 W (W) -Voltage: 2 (V) -Continuous illumination time: 6 hours (inclusive)-12 hours (exclusive) -LED wick :SMD2835 x10 -power : 2 w -temperature:6000 k -solar panels power : polycrystalline solar panels 2 v / 0.5 W -battery voltage: - 1.2V AA -battery capacity:1200mAh -working hours:6-9 hours -the charging time : >=8 hours -Made of , it is durable and practical in use. -The solar panels can be charged during the day and automatically turn on at night. -This solar address sign makes your address number more visible in the dark. -The solar light is easy to use and install, bring much convenience to you. -Suitable for outdoor, such as patio, garden, yard, porch, pathway and so on. Package list: 1 Plate Light 26 X English Letters 3 X Sets of Numbers