ZTJCY Battery Voltage Tester - 12 V

This intelligent car battery voltage tester allows you to see the detecting data on your mobilephone. You can downlode the APP and connect it with BT to achieve this function. This tool can achieve recharging test and cranking test for you. Come and have a try! Specifications: Material: ABS BT: BT4.0 IOS: 9.0 and later Android: 4.3 and later Item size: 120 * 70 * 30mm / 4.7 * 2.8 * 1.2in Pakage size: 64 * 35 * 32mm / 2.5 * 1.4 * 1.3in Package weight: 200g / 7.1ounce Packing list: 1 * Battery Voltage Monitor