【Leading IP66 Waterproof Technology】Made of high-impact Die-cast Aluminium and having been enormous technological break throughs in waterproof grade, Cassa solar lights outdoor has unique IP66 waterproof design and can withstand all kinds of terrible weather. Much more durable than other less waterproof grade solar lights outdoor.【Upgrade Detactable Design】:6.5h fully charged for battery lighting up tfrom 10h-20h,quickly and absolutely absorb solar energy. Cassa solar panel and light are connected by a 5meter cable. Adopt 180° adjustable solar panel and light holder,No limits for the installation place, just need to make sure the solar panel can absorb the direct sunlight.High-efficient Solar Panel: This light works automatically without electricity as the solar panel absorbs the sun rays and generates power for the light. Our hikeren solar panel of polycrystalline silicon converts up to 20% of the sunlight into electricity energy which ensure long lasting standby time.