OKSTATION 7W 400Lm CREE Q5 LED Lamp Flashlight Torch Zoomable Dimmer Zoom High power Model of LED: CREE Q5 LED Skid-proof design & waterproof design Output bright can come to above 400 lumens Switch: Tail-cap press ON/OFF Battery: 1 * AA / 1 * 14500 3.6v Battery (no included)