Features: Range Finder Card: Achieve accurate-ranges up to 900m without relying on electronics, emissions, or-GPS. Perfect for situations where traditional technology may fail or is unavailable. Versatile Ranging Tool: Use the card as a standalone solution or pair it with range finders, or to enhance accuracy. Its wide selection of reticles allows you to range any objects of similar height. Pocket Range Card: The Rangefinder Card is lightweight ( 0.5 oz) and flexible, making it easy to carry in your pocket, binocular pack, or pouch. It seamlessly integrates into any kit without adding-bulk. Instruction Tool: The card is also an excellent instruction tool to help students develop the "eye" for ranging and can be used to develop intuitive ranging. Easy-to-Use Instructions: Simply the 18" drawstring, extend it to your sightline, and the within the specific slot. The card is graduated in with a quick-conversion to yards for convenience. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Size: 14*8cm Weight: 40-50g Package List: 1X Range Finder Card