The Nitecore Chameleon CU6 IR Flashlight is made with one primary white LED, one secondary infrared LED, and two auxiliary colored LEDs. The secondary red LED on this Flashlight from Nitecore is the star of the show as you can change up to three brightness modes via the side switch. Outputting up to 440 lumens from the white LEDs and up to 120 lumens from the red LEDs, the Nitecore CU6 Chameleon Infrared Flashlight is the perfect light for various situations. The three watt red LEDs are an excellent way to illuminate targets at night while preserving night vision, making the Nitecore 440 Lumen CU6 Chameleon Flashlight a powerful multi-functional tactical flashlight. TheNitecore Chameleon CU6 Flashlight can be operated from the tail switch or the dual side switch which offer increased control of the color modes. Powered by either one 18650 Li-ion rechargeable battery or two CR123/RCR123 lithium batteries, you're able to maximize and regulate the output and runtime according to your situation. A dual-purpose power indicator light on the Nitecore Chameleon CU6 440 Lumen Flashlight displays the low battery status so you're never caught off guard.