This road stud light is designed to guide vehicle and pedestrian to right direction. Powered by solar energy， it is more environment-friendly and with light sense function， it will automatically light up when it turns dark. Guiding by this light， people will be safer on the way.Features:Solar power supply， more environmentally friendly.Build-in light source sensor， automatically light up when it turns dark， more convenient.9 tons bearable pressure， high shock resistance.Effectively guide vehicle and pedestrian to right direction.Specification:Light color: White， red， blue (optional)Battery capacity: 800MAHVoltage: 1.2VCharging time: 6-8 hoursWorking time: 8-10 hoursBearable pressure: 9TonsWorking temperature: -20�桫+70��Water resistant: IP65Service life: >3 yearsItem color: Silver grayMaterial: Aluminum alloy and PCSolar panel size: 4.5 * 4.5 cm / 1.7 * 1.7 in (L * W)Item size: 10.7 * 9 * 2.5 cm / 4.2 * 3.5 * 1 in (L * W * H)Item weight: 282 g / 9.9 ozPackage size: 11.5 * 10 * 3 cm / 4.5 * 3.9 * 1.2 in (L * W * H)Package weight: 303 g / 10.7 ozPackage list:1 * Road light1 * User manual (English)