Auto Lock Inspection Loop Car Accessories for Locksmith or Key Programmer – Used to Check Lock Loop Features: - Check the lock ring: Designed to test and verify the functionality of the lock ring. - Antenna tester: Functions as a car key lock chip antenna tester and detection circuit for vehicle locks. - Diagnostic indicator: If the light turns on but the car cannot start, it may indicate an issue with the chip. - Essential diagnostic tool: A useful device for automatic lock system inspection. - Usage instructions: Connect to the automatic lock loop; if the light turns on, the lock is functioning properly; if the light does not turn on, there may be an issue with the lock ring; if the light turns on but the engine does not start, the chip may be faulty. Specifications: - Product name: Auto Lock Inspection Loop - Color: Green - Material: PP - Length: 10 cm - Type: Test card Package Includes: 1 x Auto Lock Inspection Loop