Features 1、WIDE MEASUREMENT RANGE: This digital hardness tester has a wide measurement range of 0 to 100HA, ensuring a wide application. 2、EASY READING: This digital durometer with a clear LCD display is easy to read, provides ultra accurate readings without guesswork errors. 3、FAST SPEED: This digital hardness meter has a high accuracy, high resolution, quick response speed, you can get a precise results quickly. 4、COMPACT AND PORTABLE: The hardness gauge has small pocket size and light weight for easy carrying around, you can use this meter anywhere. 5、WIDE PURPOSE: The hardness tester is suitable for testing the hardness of penetrating media such as rubber, plastic, leather, composite grease, wax, etc. Specification Item Type: Digital Hardness Tester Material: Aluminum Alloy Battery: CR2032 Button Battery x 1, 240mAH Capacity (Built in) Detection Range: 0-100HA Resolution: 0.5HA Indication Accuracy: ±2HA Response Speed: 3m/s Protection Grade: IP40 Needle Stroke: Approx. 0-2.5mm/0-0.1in Needle Head Diameter: Approx. 0.79mm/0.03in Working Temperature: 0℃ to 40℃ Storage and Transportation: -20℃ to 70℃ Ambient Humidity: <80% Package List 1 x Digital Hardness Tester 1 x Storage Box 1 x User Manual