FA-T-100B strong light portable rechargeable light, external lithium battery storage. The front light has 4 gears and strong light. Zhongqiang. Weak. Flash, there are 4 blocks on the edge of sidelight, strong light and weak light, and the other side has 2 blocks, strong light, weak light and red light. Blue light flashes. Please place the light under normal temperature if you cannot direct your eyes. New products are on the market.