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. AL1300NP 1300 Lumens at 6500K color temperature A narrow 10° 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 8° beam angle with a soft edge Tail button switch with battery indicator