Water resistant design. Super bright LED flashlight torch. Adopts high-efficiency constant-current output circuit to maximum use of battery. With the particular board protection design, it can protect the battery from over-charging and over-discharging and prolong the service life of battery. This battery dual travel charger can charge for two 18650 lithium batteries and good for travel use. LED flashlight torch, battery dual travel charger and two 18650 rechargeable battery are included in this kit.