12V Car Battery Checker Electronic Relay Tester with Clips Auto Relay Coded

12V Car Battery Checker Electronic Relay Tester with Clips Auto Relay Coded-Meter Indicate Volt-Tester Circuit Breaker Finder. Features： * Automotive relays test tool. * Through the continuous automobile battery (11V-15V) to the relay coil, the detector can properly check the relay contact function. * If the relay is abnormal the red LED will light, it’s normal the green LED will light. * The tester observes contact data, closure time, relay inertia at each test stage, etc. * Fine workmanship and good performance. * Easy to operate. * Durable in use. * Convenient to carry. specification： * size：290*170*40mm * color：red and  black * Material: Plastic & Metal * weight：260g * Voltage: 12V Package included： * 1*detection diagnostic instrument Note: * Car battery must be 12V battery, the voltage must be between 11-15V. The coil resistance is preferably at least 20 ohms. * Please allow 0-1cm errors due to manual measurement. * Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not created the same.