Features: 1) Solar battery: single crystal silicon cell 2) Accumulator cell: nickel is separated by battery 3) Material: high strength rustproof aluminium body 4) Light source: super bright 5/7 led 5) Bright: 11.9 stream Ming dynasty 6) Shockproof and weatherproof 7) Logo imprinted available or laser engraved 8) Customized designs acceptable 9) Inner packing: double blister, white boxes, gift packing