The CQBL-1 is a highly versatile and durable dual-function laser with a compact form factor. 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. Fits For 20mm Picatinny Rail 6.. Green laser: 5 milliwatts. Actical Runtime: 1.2 hours. Output Runtime: IR 120.0. Max Output: White Light 5. Material: Hard Anodizing Aluminum. (Installation from lamp head). Material:Hard Anodizing Aluminum. Momentary constant light 2. 1x CQBL-1 Laser Set +1xM300V IR Light set. Please do not submit return requests or leave negative reviews at will. Please do not disassemble it without authorization. Due to the lighting effect, there may be color difference in the pictures taken. Q: Why does the product not include batteries? A:Because batteries belong to the transportation of dangerous goods in international logistics. Q:Why hasn’t logistics information been updated for a long time? Q: The logistics information shows that the package has been delivered, but I have not received it. What should I do? Q: What should I do if I have any confusion about the product or logistics?