Brand new and high quality. Features: Made of high-quality ABS, solid, durable, and high-performance for long service life. High-precision PD ruler with clear optical lines for easy operation and accurate, fast measurements. Measures left or right monocular vision and displays results for both eyes separately on the LCD screen. The ruler automatically shuts off when level, saving energy. Features a memory function, so you don't have to worry about losing data. Pupilometer only; other accessory demos in the picture are not included! Specification: Powered by: 1 x GP23A battery (not included) Material: ABS Length: approx. 19 cm/7.48 inches Color: White Quantity: 1 pc Instructions: Place the tester over your nose, as close to your eyes as possible. Find the center of your pupils in a mirror and read the line closest to the center of the pupils. The number displayed on the LCD screen is your pupillary distance (Unit: mm). Please look straight ahead during measurement. If you are testing someone else, continue to look at the nose of your tester during the measurement. Note: No retail packaging. Please allow 0-1 cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Pupilometer