ANCEL AD310BT OBD2 Scanner Bluetooth with Power for Cars and Trailers

【Easy to Use】ANCEL provides how-to guides and video tutorials to help you easily complete your repair work. With the press of a switch, you’ll have an instant hot lead or ground lead. Use the probe tip and ground lead simultaneously to power up components right in your hand. Instantly check components for continuity as well as identify positive, negative and open circuits. Locate shorts without wasting fuses. 👉TIP: The probe is on the back of the device. 【Voltage Indicator】The LED indicator on the front of the unit will show you the battery voltage when it is connected. You can use it to determine a whole range of things. You can even do a quick check of the alternator by plugging it in and starting the car. The voltage should go from about 12.6 volts to 14.0 volts. This is also useful if you have a situation where a power supply has a large voltage drop, if you notice low voltage on certain branches when checking fuses, etc.