1、Especially designed to guide vehicles and pedestrians in the right direction, this lamp is eco‑friendly and energy saving in use. 2、Has IP68 waterproof function, this light can be immersed in water, no worry about rainy or bad weather. The static compressive capacity can reach 30 tons, which can withstand majority severe conditions. 3、Adopts solar panels to charge in the sun. It will automatically identify the light source and turn off the light for charging during the day, and turn on the light at night. The viewing distance is more than 500m/1640.42ft, to offer the driver safe driving directions. 4、Under standard light intensity, it can work for 30 hours a day when charging. Can work continuously for more than 90 hours when completely charged. This light is normally on when use. 5、Suitable for multiple scenes, the simple and no switch design can match with various landscapes and styles. An great choice for lighting roads, driveways, small roads and courtyards. 6、Uses durable cast aluminum structure to deal with the harsh outdoor environment, anti‑UV, anti‑yellowing, and keep as new for a long time 1 x Solar Underground Light Condition: 100% brand newItem Type: Solar underground lightMaterial: PC plastic + die cast aluminumColor: As picture shownSolar Panel: 2V/170MA monocrystalline siliconEnergy Storage Device: 2 x 1.2V/1200mah high temperature resistant Ni-MH battery (built-in)Working Hours: Under standard light intensity, it can work for 30 hours a day when charging, and can work continuously for more than 90 hours when full chargedDisplay Mode: Normally onDisplay Color: GreenDisplay Device: 10pcs 5mm/ 0.2in super bright LED lightsVisual Distance: >500m/1640ftStart Control Light Intensity: 400-500luxService Life: 3 Years - 5 YearsWorking Environment: -20℃-+75℃Waterproof and Static Pressure Resistance: IP68, liquid pressure resistance of 30 tons