Instant purchase OK. Please refrain from purchasing if you haven't read the profile and product description. Follower discount of 100 yen is available. We cannot accommodate further price negotiations. New, unopened. Opened for photography. Unused, so operation has not been confirmed. No returns or exchanges to prevent trouble. Coffmeter M1 Coffee Moisture Meter & Density Analyzer, suitable for green beans, roasted beans, shelled beans, and dried fruits, professional specification, HD touch screen, with smartphone app data saving function. Measurement Function: Accurately analyzes the moisture content and density of green beans, roasted beans, shelled beans, and dried fruits. A high-precision analysis device suitable for a wide range of users, from professional roasters to home baristas. Calibration Function: Allows for quick and accurate calibration at home with a portable moisture content calibration standard. Operability: Equipped with an HD touch screen, displaying results in just 2 seconds. Data Management: Compatible with smartphone apps for data saving and exporting, also supports OTA updates. Battery Performance: Equipped with a 2500mAh large-capacity battery for long-term use. Weight limit: 435 grams