Your Electrical Safety Guardian. LED Indicator Tester for Safe, Accurate Checks
FEATURES
INSTANT DIGITAL READOUT - This diagnostic checker features a bright digital screen that provides an instant, precise voltage reading. This allows you to see the exact electrical status of the circuit, confirming a successful diagnosis with absolute clarity.

SECURE & DURABLE CONNECTION - Equipped with industrial-grade silicone-coated alligator clips, this tool ensures a powerful grip and excellent insulation. The high-quality silicone protects against short circuits, high temperatures, and corrosive substances, guaranteeing a stable and safe connection every time.
UNIVERSAL COMPATIBILITY - Designed for maximum versatility, this checker is universally compatible with most standard 4-pin and 5-pin automotive relays. This eliminates the need for multiple specialized testers, ensuring your prepared for various diagnostic scenarios.

SOLID ONE-PIECE CONSTRUCTION - This checker boasts a solid, integrated one-piece design. The result is consistently stable and accurate readings throughout the tool's lifespan, providing dependable performance you can count on for years without signal degradation.

EFFORTLESS OPERATION - The operation is incredibly straightforward: simply connect the color-coded clips to the corresponding vehicle battery terminals and plug the relay into the socket. The device instantly powers on and provides a clear diagnostic result.

SPEC
Dimension: 14 * 2.7 * 1.5cm
Color: Black-Red
Suitable Plug: 4 / 5 pin
Compatible Relays: 11V-25V
Package Includes: 1 * LED Indicator Light Relay Diagnostic Checker+1 * User Manual+1 * Positive and negative alligator clip+1 * Color Box Packaging

NOTES
Always connect the clips to the correct battery polarity (Red to Positive+, Black to Negative-) to prevent damage.
Verify relay pin configuration (4-pin or 5-pin) before testing to ensure compatibility.
Ensure the vehicle's ignition is off before connecting the tester for safety.
Customer Reviews
Your Electrical Safety Guardian. LED Indicator Tester for Safe, Accurate Checks

Your Electrical Safety Guardian. LED Indicator Tester for Safe, Accurate Checks
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FEATURES
INSTANT DIGITAL READOUT - This diagnostic checker features a bright digital screen that provides an instant, precise voltage reading. This allows you to see the exact electrical status of the circuit, confirming a successful diagnosis with absolute clarity.

SECURE & DURABLE CONNECTION - Equipped with industrial-grade silicone-coated alligator clips, this tool ensures a powerful grip and excellent insulation. The high-quality silicone protects against short circuits, high temperatures, and corrosive substances, guaranteeing a stable and safe connection every time.
UNIVERSAL COMPATIBILITY - Designed for maximum versatility, this checker is universally compatible with most standard 4-pin and 5-pin automotive relays. This eliminates the need for multiple specialized testers, ensuring your prepared for various diagnostic scenarios.

SOLID ONE-PIECE CONSTRUCTION - This checker boasts a solid, integrated one-piece design. The result is consistently stable and accurate readings throughout the tool's lifespan, providing dependable performance you can count on for years without signal degradation.

EFFORTLESS OPERATION - The operation is incredibly straightforward: simply connect the color-coded clips to the corresponding vehicle battery terminals and plug the relay into the socket. The device instantly powers on and provides a clear diagnostic result.

SPEC
Dimension: 14 * 2.7 * 1.5cm
Color: Black-Red
Suitable Plug: 4 / 5 pin
Compatible Relays: 11V-25V
Package Includes: 1 * LED Indicator Light Relay Diagnostic Checker+1 * User Manual+1 * Positive and negative alligator clip+1 * Color Box Packaging

NOTES
Always connect the clips to the correct battery polarity (Red to Positive+, Black to Negative-) to prevent damage.
Verify relay pin configuration (4-pin or 5-pin) before testing to ensure compatibility.
Ensure the vehicle's ignition is off before connecting the tester for safety.