The EOTech X50 Thermal Unit is an amazing gadget to have on hand and it comes with an attractive price tag. It is a small pocket size accessory that is both rugged and durable, thus making it an ideal addition to your collection. You will not have to worry about a bright environment affecting the vision levels as there are features incorporated into the design to counter any discomfort in this area. This night vision high technology model has an advanced amorphous silicon micro bolometer system with a pixel count of 100 x 800. The startup time is also considered to be fairly quick with a safety thermal sensitivity addition. It adjusts automatically to any change in lighting and is not adversely affected by any sudden burst of light.