This is the BigBlue Combo Pack AL450NM-II Tail & AL1300NP & Easy Clip Rainbow Features: AL1300NP 1300 Lumens at 6500K color temperature A narrow 10Adeg beam angle with a soft edge Four power settings with a color-coded battery indicator AL450N Tail-II 450 Lumens at 6500K color temperature A narrow 8Adeg beam angle with a soft edge Tail button switch with battery indicator Body is manufactured from aluminum alloy with anti-corrosive black anodized finish Battery: BATCELL18650 Charge time: 3-4 hours Burn time: 2 hrs (level IV), 4 hrs (level III), 8 hrs (level II), 20 hrs (level I) Light source: XML LED Power source: Rechargeable Li-Ion 18650 Battery Color temperature: 6500K (Cool White) Maximum depth: 100 meters tested The AL1300NP offers great features including the four-level push-button on/off switch, and rechargeable 18650 lithium-ion battery. This is the perfect light for general purpose diving.