It comes with a 3.2-inch color LCD screen and it supports classic touch-tone to help you read and operate more efficiently. It utilizes 4-wire Kelvin to complete the of a series of complicated data for calculating testing data with a -in precise circuit and improved digital processor. Moreover, some circuit improvements including reversal protection, over- input protection, and loose lead detection. safety and during testing This is a must-have tool in the fields of battery sales, vehicle repair and battery inspection equipment system. color: Black Material: ABS Supported 15 Languages: Chinese, English, Deutsch, Italiano, Le Francais, Espanol, Portugues, Magyar, Polski, Slovenskeho, Cesky, Pyccknn, Nederlands, Svenska, Japanese Three Major Test Items: 1. Battery Capacity Test 2. Cranking Test 3. Charge System Test 4. Data Review Package Contents: 1 x DY222 Diagnostic Battery Tester 1 x probe Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.