P100 5V-40V Electric Circuit Tester, Two Power Supply, Cable Length: 4m (Black) Features The automotive electrical system activator is suitable for 6-40V power circuit diagnosis. It has a compact design and powerful functions. It has reverse connection and overload protection functions. The tool probe can be used to test the conductivity of the circuit and detect voltage, positive and negative pole detection, activation components and other functions. It can quickly detect short circuits, broken wires or poor contact of vehicle electrical system components, helping users to understand the vehicle faster and more accurately. It is an efficient and advanced testing tool that can greatly improve the users work efficiency. Main functions: Voltage detection, resistance detection, diode detection, positive and negative pole detection, component activation, continuity test, grounding test, tracking and locating short circuits Product selling points: 1. The product can choose 2 No. 7 batteries, without double-headed clips for power supply (batteries are not included). 2. Silicone button pot pieces (make the product operation more handy). 3. 4 meters of detection line. 4. The probe input voltage is up to 107V. (Customizable up to 150V) 5. Intelligent recognition of voltageresistance (1 ohm-100K ohm data). Specifications 1. Diagnostic Method: Wired 2. Screen type: LCD 3. Wire length: 4 meters 4. Working voltage: 5V-40V 5. Power Supply Mode: Mode 1: 2pcs AAA Batteries(goods shipped without batteries,so you should buy the batteries by yourself) Mode 2: 12V or 24V power supply 6. Working currency: 40mA 7. Activation current: 0-8A