High precision and precision optical meter for precise adjustment of the strength of the stylus. The precise strength of the stylus is important to the result of the reproduction and the useful life of your valuable records and cartidge. The strength of the stylus is too high, which reduces the life of the register / stylus, while the strength of the stylus is too low. And both boxes have poor audio performance. Easy to operate; Automatic shutdown after 2 minutes of inactivity-magnetic weighing area Capacity: 0-5.00g Accuracy: 0. 01g Weighting modes: G / OZ / OZT / TL / CT Tare range: Total capacity Calibration: automatic calibration with a weight of 5g Shutdown time automatic: 120 s Display: 4 digital LCD size:96 * 43 * 20mm Material:metal colour:Silver Package Contents: 1 * Stylus Tracking Force Gauge 1 * Calibration weight 1 * Leather case Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.