1.Solarpanel:2.5V,80mA2.Material:Aluminumshell 3.Lightsource:4pcssuperluminosityLED ProductParameter SolarPanel solarbattery(monocrystallinesilicon)0.3WPC2V/100mAh Energystorage onerechargeablebattery,1.2V/600mAhNI-MH Workingtime over72hoursbyshinedfor8hours Flashmodes flicker(2Hz20%)/alwaylight Lightcolors red/yellow/blue/white/green DisplayParts 5ultrabright,fog-proofLED Viewdistance >1000m Lifetime >3years Workingcondition -20+70 WaterproofRate IP68 Size 103*103*23mm CartonSize 120*120*55MM2pcs/box PackageSize 38*25.5*29.5CM50pcs/carton Weight 350g/pc Compressivecapacity >20mt