This is the Dive Rite LX20+ Primary 1500 Lumen Scuba Diving Light Features: High Power - 2.25 hours Medium Power - 3 hours Low Power - 6 hours Power Saver - 30+ hours Strobe Mode - 23 hours LED: Cree XM-L2 U4 driven at 16 watts Light color temperature: 6500 Kelvin Beam angle: 6Adeg spot Batteries: Four Lithium Ion rechargeable 18650 3500mAh protected-circuit 3+ hour burn time after light output step down from full power Strobe cycle time: 100ms on / 900ms off Mount: Locking QRM (quick release) with soft hand mount Activation: Self-cleaning rotary magnetic on/off switch Size: 5.8 in. (15cm) length, 2.15 in. (5.5cm) diameter Weight: 1.25 lbs. (0.56kg) Buoyancy: 8 ounces (227g) negative in water Charging time: Up to 9 hours from complete discharge Depth rating: 500 feet (152m) Compliance: RoHS compliant Made in the USA The LX20+ comes ready to dive with a soft hand mount and our exclusive quick change locking QRM mounting system. The package comes complete with: LX20+ Handheld Light 4 x 18650 3500mah Batteries Padded Carry Case Soft Handmount with Locking QRM Mounting System The LX20+ takes cordless primary lights to the next level. Now 36% brighter and with additional power modes, the LX20+ delivers a maximum of 1500 lumens of 6500 kelvin light in a concentrated 6 degree spot beam. Its compact and robust design makes it an ideal handheld primary light and perfect travel companion. A new self-cleaning rotary magnetic switch allows easy operation of the light with a smooth twist action. With a dependable double O-ring sealed tail cap and 500 foot (152m) depth rating, the LX20+ excels under the most demanding diving conditions. Charger unit is no longer included.