[Superior Solar Energy Efficiency]The solar buried lights have built-in 600mAh batteries; each light has 8 LEDs. The light can provide illumination at night for about 8 hours after fully charged by 6-8 hours of solar energy during the day. [With Light Sensor]The deck lights automatically turn on when it gets dark. Just make sure to place them where the sunlight can shine. So they can charge perfectly during the day and work well at night. [IP65 Waterproof and Pressure-proof Design]With high-strength ABS design and IP65 waterproof, the solar ground lights can work normally regardless of the weather, whether it is raining or snowing. [Easy to Install and Use]Two Installation Methods: Each lamp has two rivets and two brackets, so you can choose one way to install them wherever you want. Wide range of uses, you can decorate your gardens, parks, streets, lawns, walkways, etc., to create a beautiful scene at night. Please be sure to turn on the switches before installing the solar lights. [Energy Saving] Solar garden lights use certified 600mAh batteries with higher capacity. Compared with NiCd batteries, our batteries are more environmentally friendly and energy efficient. The upgraded 600mAh NiMH battery ensures up to 8-10 hours of runtime and stable performance.