DGX 600 Handheld LED Underwater Light Offering 600 lumens and depth rated below 600 feet Anodized aluminum body - optical quality glass lens Twist ON/OFF at the head - burn time 60 minutes Body is {5.3 x 1.6 x 1.4 in | 135 x 40 x 35 mm} - weight {8.4 oz} w/ battery Includes lithium-ion 18650 protected 3.7V battery,110/220V 50/60Hz mains charger