The Car Relay Tester Voltage Tester is a reliable and essential tool for automotive use. This electronic relay tester requires a 12V coil voltage and has 4 poles, making it suitable for interior applications. With its LED indicator and heat-resistant properties, this product is designed to provide accurate testing results for automotive relays. Manufactured in China, this universal smart home compatibility tester is a must-have for any vehicle maintenance or repair work.
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