• 【Dual Voltage Compatibility】Supports both 12V and 24V DC circuits, making it essential for automotive, truck, RV, tractor and heavy equipment diagnostics without voltage switching.
• 【5-Position Multi-Function Design】Tests up to five relay positions simultaneously with dedicated sockets for standard and custom relays, optimizing vehicle and industrial diagnostics.
• 【Dual-Color LED Indicator】Integrated green TRUE and red FALSE LED lights provide immediate visual feedback on relay coil activation and power status during testing.
• 【4-Pin and 5-Pin Support】Manual mode selection via center dial supports both 4-pin and 5-pin relay configurations with large and small pin designs for universal compatibility.
• 【Compact Reinforced Construction】Measures 4.52 x 2.83 x 1.02 inch with metal-reinforced plastic housing and insulated crocodile clips for reliable performance in tight engine compartments and mobile repair settings.

Specifications:

• Voltage: 12V / 24V
• Relay Types Supported: 5 types (4-pin, 5-pin, universal configurations)
• Device Dimensions: 4.52 inch x 2.83 inch x 1.02 inch
• Cable Length: 33.46 inch
• Crocodile Clip Length: 3.14 inch
• Material: Metal + Plastic
• Controls: ON/OFF switch, TEST button, SET button
• Indicator Lights: Green TRUE (correct/energized), Red FALSE (error/de-energized)