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.Specification:Material: aluminum +PCPower supply: solar cell (single crystal silicon) 2.5v /120mAhEnergy storage device:1*1.2v /600mAhni-mh high temperature-resistant batteryDisplay mode: Flash(2Hz 20%) and Normally on(working time: Flash for 240 hours, Normally on for 30 hours)Display colors: yellow, red, blue, white, greenDisplay device: F5 ultra bright anti - fog Taiwan crystal LED beadsVisual distance: > 500 mService life: effective use3 yearsWorking environment: - 20~ +70Waterproof grade: IP68Starting light intensity: positive light is less than 500LuxProduct certification: through CE, ROHS, MSDS certification.Size :103 * 103 * 22mm / 4.1 * 4.1 * 0.9inWeight: 340 g / 12 oz(approx.)Package list:1 x Road Stud Light