Image Digital Turntable Stylus Force Scale Gauge Tester Max. Capacity: 5.00g (display 3 digit). Accuracy to 0.01 gram - highly sensitive. Self-calibrating with an included 5g weight. Stainless steel weighing area - nonmagnetic (you never need to worry about damages to your cartridge) Super compact size: 96 X 43 X 20 mm. Power: 2 X 1.5V lithium cell Ag12 Easy to operate, automatic turn-off after 2 minutes' inactivity