Zuomeng Professional Trailer Light Tester, Wireless Remote One-Person Operation, Built-in 12V 10Ah Rechargeable Battery, IP68 Waterproof All-Metal Housing, Compatible with 7-Way Round Pin Connector

Additional Details from the Manufacturer

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More features

• Save 50% Testing Time: Supports wireless remote operation or on-device button control, allowing flexible use at both long and short distances. No need to walk back and forth or require multiple people, significantly saving testing time. One person can efficiently complete trailer testing.
• Wide Compatibility: The trailer light tester box is compatible with various 7-way round trailer plugs. No additional adapters are required, easily meeting the testing needs of different types of trailers.
• Safe and Convenient: Built-in short-circuit protection and overload protection effectively prevent equipment damage and ensure safe use. Equipped with a 12V 10Ah LiFePO4 rechargeable battery, it does not require frequent charging and can be used independently even in remote areas without an external power source.
• Comprehensive Electrical System Testing: The trailer light tester can test all trailer lighting functions, including turn signals, brake lights, tail lights, and reverse lights, accurately verifying wiring configurations to ensure the safety and reliability of the trailer electrical system and avoid road failures.
• Compact and Portable: Made of a durable, weather-resistant all-metal housing with an IP68 protection rating, it can withstand harsh working environments such as snow, rain, dust, high temperatures, and vibration. Upgraded to a compact structural design, making it smaller and easier to carry and store.