Product Description: Overview: The Relay Inspector 12V Auto Relay Diagnostic Tool is a compact and handheld device designed for efficiently testing automobile relays. Suitable for use with 12V car batteries, this diagnostic tool ensures that your vehicle's relays are functioning correctly. Lightweight and easy to use, it's an essential tool for any automotive enthusiast or professional mechanic. Key Features: Compact and Handheld: Small and portable design makes it easy to carry and use, perfect for on-the-go diagnostics. Material: Made from durable insulation material, ensuring long-lasting use and reliability. Applicable Battery: Designed for 12V car batteries with a voltage range of 11V-15V. Coil Resistance: Suitable for relays with a coil resistance above 20 ohms. User-Friendly: Simple to operate, making it accessible for both professionals and DIY enthusiasts. Detailed Specifications: Product Name: Automobile Relay Battery Tester Material: Insulation material Applicable Battery: 12V battery Withstand Voltage: 11V-15V Product Weight: Total weight 154g / Net weight 147g Packing: White bubble bag Cautions: Ensure the car battery is a 12V battery and the voltage is between 11V-15V. The resistance of the applicable relay coil must be above 20 ohms. Package Includes: 1 x Tester 1 x Manual