Package Includes:1 x I-torch Pro5 Underwater LED Video Light,1 x YS-Mount adapter to connect the Pro5 light to an Arm,1 x Li-ion Battery charger (AC 100 to 240 Volt),1 x Double O-ring,4 x rechargeable NCR-18650 lithium Li-ion MH12210 Batteries * Compatible With: Universal * Powerful compact light , 110 degree beam, 1600 Lumens, 2 Modes (100%, 50%) (To switch modes simply turn off for 1 second, then turn back on, if off for longer then 1 second will start at 100% again) * Burn Time: 1 Hour at Maximum power. Depth rated 330ft/100mts and sealed with double O-ring * Uses 2 x rechargeable NCR-18650 lithium Li-ion MH12210 Batteries