Once detecting movement, the trail game camera will trigger instantly without delay. You will never miss any exciting moments even at night with Boly motion sharp technology. The trigger distance is up to 100 ft. and lighting range. The best detection range in the market. Our patented PIR (passive infrared) Fresnel Boly lens technology creates best in class sensitivity and night vision. It will detect humans and animals as soon as they enter the detection field. The Boly scouting camera will detect movements of wild animals as soon as they enter the detecting range. With our passive infrared sensors, the highly-sensitive camera detects and record every breathtaking motion with low power consumption.Boly Lens, bring up crystal clear pictures with best quality in the class.