Features: This road stud light is designed to guide vehicle and pedestrian to right direction. Solar power, environmentally friendly. It is recharged by solar panels under sun light, automatic charging during the day. Durable casting aluminum construction can deal with the outdoor environment, durable and waterproof. Viewing distance over 500 meters, which can effectively provide the driver with safe driving direction. Simple design matches various landscapes and styles, ideal for lighting road, driveway, pathway yard and more. Spec: Material: aluminum +PC Power supply: solar cell (single crystal silicon) 2.5v /120mAh Energy storage device:1*1.2v /600mAhnimh hightemperatureresistant battery Display mode: Flash(2Hz±20% ) andNormally on(working time: Flashfor 240 hours, Normally on for 30 hours) Display colors: yellow, red, blue, white, green Display device: F5 ultra bright anti fog Taiwan crystal LED beads Visual distance: > 500 m Service life: effective use3 years Working environment: 20~ +70 Waterproof grade: IP68 Starting light intensity: positive light is less than 500Lux Product certification: through CE, ROHS, MSDS certification. Size :106 * 95 * 22mm / 4.2 * 3.7 * 0.9in Weight: 305 g / 10.8 oz(approx.) Package list: 1 x Road Stud Light