With fine adjustments for brightness levels, this Leaper's UTG 4.2" ITA Red/Green Dot Sight is the choice for those who hunt in a variety of light conditions. With the included adapters, this sight can be mounted to almost any firearm that has a Picatinny rail. The red or green dot is perfect for firing into any environment you will encounter in the field, and once a target is acquired, the Leaper's UTG 4.2" ITA Red/Green Dot Sight will lock on for the most accurate possible shot every time.