The AL1X5M LED Dive Light from Bigblue is the miniature version of the AL1X5. It has a depth rating of 328' and is sealed with a double O-ring. The light outputs 250 lumens at a beam angle of 40° and a color temperature of 6500K. It will burn for up to 4 hr at full power. The body is constructed from durable aluminum, which has been anodized to safeguard against the corrosive effects of seawater. The light has positive buoyancy. It is powered by three AAA alkaline or NiMH batteries (not included). The supplied lanyard helps ensure you don't lose the light.