Innovative LED16 Canister System - a replacement and better alternative over traditional HID lighting and Multi-Array LED systems. Oceanic's goal was to revolutionize primary and backup lighting systems; doing so required extended burn times and efficiency while increasing output, but without the high price tag. Meet the new Mini 3, LED3 and LED5 lights; soon to be the envy of all professional and recreational divers worldwide. Features Include: Single 3W ôbackupö Light Concentrated 8 degree beam Output 210 Lumen Burntime - 4 hours total Bulb life 50,000 hours T6061-T6 Anodized Aluminum 3 ôAAAö alkaline batteries Rear tie-point for boltsnap / lanyard included Double O-ring seals State of the art PMMA reflector