The CQBL-1 is a highly versatile and durable dual-function laser with a compact form factor. Weighing only 5.6 oz, this laser is one of the smallest and most rugged dual-function lasers available today. The CQBL-1 features co-aligned visible and IR lasers, eliminating the need to sight-in each laser individually. The low-profile windage and elevation adjusters ensure a constant zero. High-intensity LED is about 5. 00 lumens, illuminates the darkness with dazzling brightness. Can be used when tactical, hunting, etc. Comes with remote pre. Ssure switch and tail button cap switch, control momentary and Constant-on modes respectively. Due to various tactical needs, flexibility in the actual battlefield is essential. The rugged M600C Light easily and securely attaches to rails via its integral thumbscrew clamp and is activated by clicking its pushbutton tailcap switch. 3V CR123A/16340(Installation from lamp head). When not in use, please remove the battery to avoid running out of electricity. 1x CQBL-1 Laser Set +1XM600C Light Set +Switch. Please do not submit return requests or leave negative reviews at will. Please do not disassemble it without authorization.