Package Contents: 1 x LED Flashlight 1 x Wristband 1 x Rechargeable 18650 Battery 1 x AAA Battery Holder 1 x 18650 Battery Holder 1 x Single Slot ChargerFeatures: Color: Light Yellow LED: XM-L T6 Battery: 1 X 18650 3.7V Battery ( included) The main purpose: Diving Diving depth: <=50m Light mode: Strong， weak light， blasting flash Switch mode: Rotary switch 18650 3.7v Rechargeable Battery : Suitable for Flashlight Torch Capacity: 3000mAh Color: Red or Blue Voltage: 3.7V