Description: Large, easy-to-read LCD Zero setting at any position, mm / inch conversion Manual ON / OFF or automatic power off Measurement for thickness of jewelry, leather, rubber, fabric, wire, paper film, metal sheet etc This instrument is simple to operate, intuitive readings, easy to carry, and versatile Ceramic measuring tip, metal body and handle, durable and accurate thickness gauge Quick display of the measured value of big LCD screen With on-off power switch & Auto power-off for option Three function key Zero-setting at any position mm/inch measurement system conversion 3V environmental Lithium battery, battery life>1 year Universal purposes with two of measuring faces (with 3 types) Specifications: Real Range: 0-12.7mm/0.5" 0-25.4mm/1" Accuracy: 0.01mm/0.0005" 0.001mm (0.1 wire)/0.00005" Measure the depth of 30mm With data output Powered by: 1 x 1.5V SR44/LR44 battery Size: 123mmx78mmx25mm