Parameters:
1. Working voltage: 12-24V
2. Working temperature: -20 - 50 degrees Celsius

Functions:
1. Perform these functions: power injection, measurement, ground test, polarity check, continuity test, and component activation.
2. Easy to read AVO meter, voltage, current and resistance.
3. Lightly press the power switch, take the instantaneously heated ground wire, and energize the cooling fan, relay and other electrical components.
4. Activate the assembly using both the hot and ground leads.
5. Quickly judge the positive and negative open circuit.
6. Quickly detect poor ground wires, track and locate short-circuit points, and do not waste fuses.
7. Quickly test the continuity of power switches, relays, and diodes.
8. The tool is protected from overload by an internal circuit breaker.
9. Allows you to work in dark areas with the built-in headlight.
10. Once the user is familiar with the tone, there is no need to look at the menu to operate the tool, a long cable can be used to test along the vehicle.