Features: Auto on off, it can easily180 horizontal adjustment. Build in light-sensor, outdoor solar gutter lights with clips can auto ON at night and OFF during day, save more power to extended working time. Deck step solar lights built-in LED beads can be easily illuminating the pathway, fence and garage to improve the safety of you and your family and property at night. You can easily fix the solar gutter lights on the outside wall with long bracket and screws, or combine two brackets to clamp the fence or eaves. Outside light fixtures with IP55 waterproof rating and durable construction resistant for all kinds of weather, perfect for walkway, fence and gutter. Solar conversion rate up to 18%, reduce charging time when there is plenty of sun. Built-in rechargeable battery of IP65 waterproof solar led gutter lights can store enough power to ensure 8-10 hours lighting time after full charge. Specifications: Type: White Light, Warm Light Material: ASB, PC, Polysilicon Color: Black, White Size(L*W*H): About 255x60x30mm Power: 3.6W Voltage: 5.5V Charging Time: About 6-8H Working Time: About 10h Lumen: 400lm Waterproof: IP65 Battery: Chargeable Battery(built in) Switch Type:Optical Control Package Included: 1pc x Solar Gutter Light Note: Noted: 1. Please fully charge the device under sunlight before first use. 2.If there is no enough sunlight in 3 months, the battery may run completely flat, and will decrease battery life, so please charge in time. Once it's fully charged, unlock the device and lighting system. Otherwise, it won't work anymore. 3.If there is no enough sunlight, especial in North countries. it may take longer time to fully charge the device.This is very normal for solar products.