1 Sztuka Black Plastic Material E9800-X Shooting Chronograph Speed Tester Ear: 12x8 cm/4.7x3 inches The instrument specializes in testing gun firing speed, muzzle velocity, firing energy and shooting distance ABS durable body, lightweight and portable for outdoor carrying, portable device Multifunction tests cause firing speed, muzzle velocity, firing energy and shooting distance Automatic error scanning system works at every start of switching on to ensure the accuracy of each test Built in high sensitivity test sensor to adapt to circumstances in different brightness; 25mm aluminum flared calibration testing to make stable testing and convenient to place the object in - Inner mesh panties Material: ABS plastic Size: 98x95x40mm/3.86x3.74x1.57 inch Interface Diameter 37mm/1.46 inch The package includes: 1 sztuka black plastic material E9800-X shooting Chronograph speed tester