Product Specifications: Product name: Relay Pendant material: ABS plastic Size: 12-24V 1.Wide voltage compatibility design: supports 12V and 24V dual voltage detection, suitable for relay testing of various types of cars, trucks and engineering vehicles, with strong compatibility to meet the needs of different battery systems. 2.Multi-function test interface: equipped with special slots for four-pin and five-pin relays, it can quickly identify the relay type and detect parameters such as pull-in voltage, release voltage, contact resistance, etc., with simple and efficient operation. 3.Accurate voltage test: built-in high-precision digital display, real-time display of battery voltage and relay working status, small error range, ensure reliable test results, and help troubleshooting. 4.Portable and good structure: lightweight body with anti-fall shell, with test wire, convenient to carry in the car or use in the workshop, anti-interference design to adapt to complex electrical environment. 5.Safety protection guarantee: with overvoltage protection, reverse connection alarm and automatic power-off function, it can effectively avoid damage to equipment or vehicle circuits due to misoperation, and it is safer and more reliable to use. Inculde: 1 pcs Automotive relay 12/24V universal