The TL4000P EOD23 Back- or sidemount is a high-performance technical dive light with a 4000 lumens output and a tight 8° beam for maximum penetration with a smooth peripheral spill. Compact and versatile, it is powered by a self-contained BATCELLEOCANISTER Li ion rechargeable battery design that offers exceptional convenience and performance to meet the demands of discerning technical divers. Light source 3 x LED. Light output 400 Lm (level I), 1000 Lm (level II), 2000 Lm (level III), 4000 Lm (level IV). Casing material Aluminum alloy. Anti-corrosive anodized. Power source Li ion Rechargeable battery pack 3 x BATCELLEOCANISTER. Angle of light beam 8° narrow beam. Color temperature 6500K. Burn time 12 hrs (level IV), 24 hrs (level III), 48 hrs (level II) and 120 hrs (level I). Maximum depth 150 m tested. Size (Light head / Canister) Dia. 63 x L. 80.6mm / Dia. 68 x L. 290mm. Weight in air (Light head / Canister) 439 g / 2478 g (including battery). Buoyancy in seawater (Light head) -211 g. Buoyancy in seawater (Canister) -1299 g (including battery). Switching system (Light head) Push button with battery indicator. Switching system (Canister) Mechnical ON / OFF switch. Front glass Tempered optical glass. Cable length 1.3m. Included: Battery Pack. Charger. Adjustable Goodman Handle AJGHA-01C. Protective Case PC107A. Stock item black for other colors please request delivery time.