Feature: 1. 1. Three measurement modes can be switched freely (real-time, peak, first peak value). 2. 2. Standard fruit hardness unit Kgf/cm² display. 3. 3. The upper and lower limits can be set to do statistical analysis, and the buzzer can be alarmed by setting the upper and lower limits beyond the limit. 4. 4. Automatic shutdown function: can set the automatic shutdown time, in the case of a long time no operation automatically shut down to achieve power-saving effect. 5. 5. Automatic backlight and buzzer alarm function. Specification: Specifications: Model: GY-M15 Range: GY-M15: 0.2~15Kgf/cm² (x10 ^5 Pa) Pressure Head Diameter: GY-M15: Φ11.1mm Load Division Value: 0.01Kgf/cm² Accuracy: ±2%(10 percent to 100 percent of the full range) Insertion Depth of Indenter: 10mm Power Supply : 2 * 1.5V AAA Dry Battery (Not included) Working Temperature: 5℃-35℃ Transportation Temperature: -10℃-60℃ Relative Humidity: 15%~80%RH Work Environment: No source and corrosive media around Material: ABS Item Size: 150 * 60 * 31 mm / 5.91 * 2.36 * 1.22 inch Item Weight: 173g / 6.1oz . Package List: 1 x Fruit Hardness Tester1 x Press Foot1 x Nut5 x Screws5 x Spring Pads 1 x Storage Box1 x User Manual (English)