Accurate stylus gauge for stylus force measurement.Large 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 force is important for ensuring the playback result and life of your valuable records and cartridge. Too high stylus force results in shortened record/stylus life while; too low stylus force results in easy mis . Both too high stylus force and too low stylus 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/dwt(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 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.