Clear Real-Time Display: The automotive circuit tester's backlit LCD screen provides clear visibility in any lighting condition, ensuring you catch every detail and subtle change during testing
Intuitive & User-Friendly Operation: Featuring a straightforward plug-and-test design. Use the car circuit tester just like you would replace a fuse to safely check circuits without compromising protection. It is rated for up to 20A/48V
Compact & Versatile: It is ideal for a wide range of vehicles, from personal cars to commercial trucks. Its lightweight, portable design makes the fuse current tester perfect for electrical troubleshooting anywhere
Precision Performance: This professional-grade circuit fault tester delivers accurate current measurements. It is highly sensitive to small fluctuations and helps you quickly and reliably identify circuit faults
Important Notes: This car fuse and relay checker is designed for measuring vehicle current only. Do not exceed 20A/48V and limit continuous testing to 10 seconds. Always turn off the ignition before connecting or disconnecting. The battery is not included and requires 23A 12V (sold separately)