QuiqLitePro Dual White LED is designed for normal reading, writing and maneuvering in the dark without having to hold a flashlight in your hands. QuiqLitePro Dual White LED allows for single or dual LED activation for situations when extra light is required. The first push of the On/Off button will activate a single white LED at 10 Lumens to help preserve your night vision. If more light is required, simply push the button again to increase up to 20 Lumens. The QuiqLitePro is equipped with a 10 minute auto-off battery saving timer and continuous Safety Strobe mode, plus QuiqFlare which provides visibility from over 1 mile away. Now includes a new Pupil Gauge located on the back of the QuiqLitePro.