Stable illumination Exclusively designed, Quntis adopts a double-layer through-hole plugging circuit board. Therefore, our solar deck light provide stable lighting and avoid flickering and malfunctions effectively. Advanced Solar Panel & Long Lifespan Using high-tech single crystal silicon solar cell, Quntis outdoor solar lights can charge 20% more than similar products. 10-12 hours of illumination after full charge. Original chip guarantees its service life. IP67 Waterproof & Weather Resistance Excellent waterproof ability. Qunits solar light can be even submerged in water. Perfect for outdoor use and can work well in heavy rain, snow and frost. Good fixation & Quality Multiple gluing processes ensures the light will not fall off once installed. High-quality waterproof glue makes sure it still maintains good adhesion even if in rainy.