Foribyw, Relay Tester Automotive Kit 12V Car Circuit black and red\nDescription\nSpecifications:\nProduct Name: Relay Tester Kit\nMaterial: plastic, metal\nColor: black and red\nVoltage: 12V\nSize: about 110 x 60 x 28mm\nParts List:\n1 x Relay Tester Automotive Kit\nFeatures:\n--Fine workmanship, good performance, durable, simple operation, easy to carry.\n--The tester properly checks the relay contact function by continuously running the car battery (11V-15V) to the relay coil.\n--The tester observes contact data, closing time, relay inertia, etc. for each test phase.\n--Correct control of relay switching test: If the relay is abnormal, the red LED will light up, and the green LED will light up when normal.\n--The car battery must be a 12V battery, and the voltage of the battery is among 11V--15V. Ideal for coil resistance above 20 Ohms.\nProduct Details:\n--\nHandling\nWe will ship all orders within 3 business day of payment.\n--\nDelivery\nWe Do Not Ship Outside of the Continental.