VastFire Underwater Photographing Video Flashlight Torch 1000 Lumens CREE XM-L2 LED Diving Lights WATERPROOF 100 METRERS UNDERWATER Body material: durable aircraft-grade aluminum. SURFACE TREATMENT: premium Type III hard-anodizing ;Reflector: no hotspot design , no reflector. BATTERY OVER-DISCHARGING PROTECTION : polarity reversing protection ; Bulb: XM-L U2 Max 1000 lumens. MULTIFUNCTION :underwater photographing Light Runtime: High: 60-120min, Low: 240 min.Lens: 6mm Polycarbonate Board. FIVE OUTPUT LEVEL: high / Mid / Low / Flashling / SOS Angle of light beam: 120;Color temperature: White OR Blue&Purple LED 5000k.