Features: Waterproof and dustproof Bidirectional current detection capacity detection Clear color screen With screen antiwhite function Allcopper screws low power phone Bluetoothcompatible control Automatic rotations With additional siliconed ringat the interfaces can effectively reduce thegap between the cable and moistureproof. Seal dispensing technology abandons the traditional sealingring, so that there is moistureproof. Use it directly after purchase, no need to install the waterproof gaskets by yourself, save time and effort, more efficient. Specifications: Item:BL-F DC10-100V 0-400A Battery Tester Types:BL105F / BL110F/ BL140F Optional Package :Metal Mounting Tab/Fixed Support/ Rearviews Support Material: Plastic Note: Due to the problem of lighting effect and shooting, there will be tolerances in product, please understand. Please allow 0-1cm dimension difference due to different manual measurement. Package includes: 1Set BL-F Battery Tester