The tempered optic glass and mil-spec hard anodized aluminum build material allow the A4 to reach depths of 650ft/200mm with a burn time of 5-8 hours. The A4 cycles between ON (|) and OFF (0) by moving the tail cap switch.
Output: 250 lumens Power: 5W Beam Angle: Concentrated 8° Bulb: Cree Q3 LED Lens: Tempered Optic Glass Color Temp: 5,000°K – 7,000°K Burn Time: 5 - 8 hours Length: 6 in. / 152mm Mode: Single Output Battery Type: 4x AAA Alkaline Switch Type: Magnetic Material: Mil-Spec Hard Anodized 6061-T6 Aluminum Depth Rating: 650ft/200m Bezel Diameter: 1.7 in. / 42mm Weight: 7.07 ounces / 0.22 kg (including batteries)