Accurate stylus gauge for stylus tracking force measurement. LCD screen, easy to readWith blue backlight, convenient to use in a darkAutomatically power off when there is no operation for 3 minutes.High precision, high sensitivityAccurate 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.Measurement range:0-5.00g ( display 3 digit )Accuracy:0.01gUnit:g/oz/ozt/(tl)/ct/gnPower Suplly:2 x 1.5V lithium cell Ag12(Not included batteries)Stainless steel weighing area:NonmagneticColour:GrayMaterial:ABSSize:96x43x20mm/3.8x1.7x0.8inPackage Contents:1 x Stylus Tracking Force Gauge1 x Calibration weight1 x Leather caseOnly the above package content, other products are not included.Note: Light reflection 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.