solar road studs 1) Material: ferrosilicon aluminium 2) Unit includes: a) Solar panel: 0.4w, 2.5v b) 1*Ni-MH rechargeable batter: 1.2v, 1800Ma c) 6*super bright LEDtwo sides d) 2*transparent plastic shell e) 1*pcb 3) Light intensity: 8000mcd 4) LED colors: red, yellow, white 5) Charging period: 6hr/day 6) Lighting period: 10hrs(Continuum working under cloudy and rainy days fifteen days) 7) Bearing: over 45t of the truck 8) Lifetime: 3 years 9) Warranty period: 1 year 10) 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