Smart Auto Circuit Tester
Smart Auto Circuit Tester
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Product Overview
Diagnose vehicle electrics faster and more accurately with our Smart Auto Circuit Tester. Its auto-sensing Smart Mode instantly switches between voltage, continuity, and resistance tests (0.8–100 V) on any car circuit—no dial-turning required.
Key Features
Smart Auto Mode
Auto-detects DC voltage, continuity, or resistance for seamless testing without manual setting changes.

Wide 0.8–100 V Range
Measure from low-voltage sensors to headlight circuits up to 100 V, covering all automotive 12 V/24 V and beyond.

Audible & Digital Readout
Continuity buzzer plus 0.1 V-resolution backlit LCD for crystal-clear day/night readings.

Durable, Precision Probe
Rugged housing and sharp probe tip reach tight dash and engine spots; coiled cable with protective cover prevents damage.

Ready to Go
Includes storage pouch, spare battery, 3-year warranty, and lifetime tech support for worry-free use.
100% Satisfaction Guarantee
At Radiant, we believe in creating innovative products that enhance your life, and we want you to feel completely confident in your purchase. We’re proud to offer a 30-day risk-free satisfaction guarantee.
- 15-Day Return Policy: You have 15 days from the date of purchase to return your items for a full refund or exchange, depending on the situation.
- No-Risk Trial: If for any reason you’re not fully satisfied with your purchase, simply reach out to us. We’re here to ensure you’re 100% happy, and we’ll make it right!
- 100% Money Back Guarantee: If you don’t love the product, we will gladly process a full refund—no questions asked.
- Effortless Process: Buying online can feel uncertain, but we’ve made it easy. If you don’t like your item, return it hassle-free within 15 days for a full refund.
We are committed to delivering quality and customer satisfaction. Your peace of mind is our priority, and we want you to shop confidently with Radiant.

Payment:
PayPal is welcomed here.
If you don't have a PayPal account, we accept all credit cards: just select 'PayPal' and click the 'Pay with Debit or CreditCard' button.
Smart Auto Circuit Tester

