Output Connectors: Speeds:33,45,78 RPM Motor:Top Model Number:turntable stylus stylus force:stylus gauge stylus force gauge:Portable Record Needle digital stylus gauge:Portable Record Stylus digital stylus force guage:For LP Vinyl Record Accurate stylus tracking force is important for ensuring the playback result and life of your valuable records and . Too high stylus tracking force results in shortened record/stylus life while; too low stylus tracking force results in easy mistracking. Both too high stylus tracking force and too low stylus tracking force result in poor audio performance. So you need a accurate stylus gauge to measure your stylus force. Accurate stylus gauge for stylus tracking force measurement. Large LCD screen, easy to read With blue backlight, convenient to use in a dark Automatically power off when there is no operation for 3 minutes. High precision, high sensitivity Measurement range: 0-5.00g ( display 3 digit ) Accuracy: 0.01g Unit: g / oz / ozt / (tl)/ ct / gn Battery: 2 x 1.5V lithium cell Ag12 (NOT included) Dimensions: 96 * 43 * 20mm / 3.8 * 1.7 * 0.8in Color: Black Material:Plastic + metal 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.