CCI Set of 2 Solar Deck/step Lights, Rectangle, Illuminates up to 8 Hours Illuminates for up to 8 hours on a full charge Ideal for mounting on decks, steps and fence posts No wiring needed. The unit comes pre-assembled. Charges by direct sunlight and automatically illuminates at night Easy to install (screws included). 3.5 in L x 1.8 in W x 2.7 in H