... the state,which adopts high conversion efficient monocrystal line silicon solar battery to ensure the strong rechargecapacity with particular circuit ... makes it solid and anti-abrade enough. It is good choice for army, field working, travel,mineral, road, railway, house ... use.Specification: Model: HCP-5L Type A ,Type B Name: Solar aluminium alloy plate torchColor: Black, Silvery white, blue, yellow, ...