Yosoo LP Digital Turntable Stylus Force Scale Gauge Led (Batteries Not Included) High precision and accurate stylus gauge for accurate stylus force adjustment. Accurate stylus force is important for ensuring the playback result and life of your valuable records and cartidge. Too high stylus force results in shortened record/stylus life while too low stylus force result in easy mistracking and both of the cases with come into poor audio performance. Capacity : 0-5.00g ( display 3 digit ), Graduation : 0.01g- highly sensitive, Dimensions : 96 X 43 X 20 mm, Power : 2 X 1.5V lithium cell Ag12(not not not included) Easy to operate; automatic turn-off after 2 minutes' inactivity - Stainless steel weighing area - nonmagnetic