Quickly diagnose common car relays before summer road trips — compact, durable, and ready for 12V & 24V systems
More summer driving means more electrical stress. Test relays in seconds so you can fix issues at home instead of on the highway.
Works with most common automotive relays. Just select the mode and test with a simple switch.
Select mode, press TEST, and get instant results — no complicated setup or guesswork.
Reinforced seams help prevent wire breakage. Safe alligator clips connect securely to your car battery.
Compact and lightweight (≈190 g). Easy to carry in your toolbox for pre-trip checks and roadside DIY.
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