solar road studs 1) Material: ferrosilicon aluminium2) Unit includes:a) Solar panel: 0.4w, 2.5vb) 1*Ni-MH rechargeable batter: 1.2v, 1800Mac) 6*super bright LEDtwo sidesd) 2*transparent plastic shelle) 1*pcb3) Light intensity: 8000mcd4) LED colors: red, yellow, white5) Charging period: 6hr/day6) Lighting period: 10hrs(Continuum working under cloudy and rainy days fifteen days)7) Bearing: over 45t of the truck8) Lifetime: 3 years9) Warranty period: 1 year10) Setting place: by two sides of the way/by seclusion terrainSize (mm): 100*100*22Outer packing: 30pcs/cartonCarton dimensions (mm): 475*317*423N.W.: 0.49kg