If you want to look your idol but can't see clearly in a concert; If you like watching birds but afraid of suffering them; If you want to prepare a gift to your family or friends but have no idea to choose; pankoo monocular can meet all the inconveniences above lightweight, OUTOORS, concert, birdwatching, perfect gift. focus system: centersystem of prism: bak4lens coating: fmcunit weight: 14 ozunit dimension: 6. 7 x 3. 6 x 3. 1 inchespacking list: 1x smartphone adapter1x carrying bag1x user manualinstructions: 1: adjust the eyepiece until suitable your eye. 2: adjust the focus wheel until see clear and bright image. 3: mount your monocular on the tripod, use the phone adapter and compose your image/video to your liking. attention: customer service: 【100% satisfaction hours customer service】we supply superior service, 100% money back . if you are not 100% satisfied with our product, no-questions asked, we offer a 30-day money back . take action, buy now! ! !