... cree 10w long distance led wind up torch with li-ion battery SHFL-014 Spec. Key Specifications: 1.Characteristic: ... )7.Environment consideration: Lithium battery, green, and environment protected, no memory, and low possibility to discharge by itself8.Convenience: ... haunch9.Uniqueness: White light with high-brightness, tender and clear, and strobe flash, it can transmit signal between long distance ...