No standalone lithium batteries are sold with the product. It contains a fully integrated, non-replaceable flat lithium polymer pouch cell
2-in-1 Combo: the combo offers 1450 Lumens Max visible light. The laser power output is less than 5mW, Class IIIa. The laser beam distance is about 200 meters/ day, 2000 meters/ night. One item meets your multi-purpose, helps you save a lot.
2-in-1 Surface-mounted Design: the flashlight laser combo is compatible with picatinny/ MLok rail without any additional adapter. One item meets your multi-purpose.
Remote Pressure Switch w/ Straight Wire: the combo include the pressure switch with straight wire,make the surface neat and tidy. You can use the switch mounting module to attach it onto rail.
4 Modes w/ Function Selector: the laser light combo has an independent function selector to chose your needed modes. Rotate the Function Selector to choose the functions. LS-Laser sight only, LT-Flashlight mode only, LT/LS-Flashlight and laser sight mode, 50%-50% brightness flashlight.