Check the listing for details. BigBlue TL5200P-BACKMOUNT 5200 Lumen Narrow Beam Technical Light. Condition: New. Listed at 1579.99 USD. TL5200P-BACKMOUNT#1 Choice for cave and tech divers! This light is a self-contained technical light that pumps out a stunning 5200-lumen narrow beam. The TL5200P-Backmount has a compact body style, uses a reliable push-button switching mechanism, a battery indicator on the light itself, and your choice of four power levels and an SOS function. As a self-contained light, it uses a self-contained Lithium-ion rechargeable battery pack and comes with a charger. The battery pack is removable for easy replacement with an optional spare fully charged battery between dives. The TL5200P-Backmount also comes with a reinforced Slim Fit Goodman Handle which makes this light a versatile option for any diver wanting the extreme light output needed in demanding conditions. Optional spare batteries are most often purchased with these lights (BATCELLCANISTER).5200 lumens at 6500K color temperatureRechargeable lithium-ion BATCELLCANISTER allows for two hours of burn time on the highest settingAnodized aluminum housing means rugged durabilityColor-coded battery level indicator150M depth ratingFor best practices, here is the suggested charge time Battery ModelCharge TimeBATCELLCANISTER2-3 hoursProduct SpecificationsPackage Weight3 lbsLumens 5200 Lm (Level IV) 2600 Lm (Level III) 1300 Lm (Level II) 520 Lm (Level I)Beam Angle 10° Narrow BeamBurn Time 7 hrs (level IV), 14 hrs (level III), 28 hrs (level II) and 70 hrs (level I)Light Source 4 x XML LEDPower Source Lithium Ion rechargeable 18650×4 batteryColor Temperature 6500KMaximum Depth 150 Meters TestedWeight 596 g (including battery)Buoyancy -222 g (including battery)Size Dia. 72 x L. 150.3mmHousing Material Anodized Aluminum AlloyIn The BoxLightRechargeable BatteryChargerSlim Fit Goodman HandleTwo Spare O-ringsSilicone LubeProtective CaseOwner’s ManualManufacturer’s 1 Year Warranty