Fast, Non-Invasive Ignition Testing for Coil-On-Plug Systems The 76562 COP Quick Probe is the fastest way to confirm spark output from Coil-On-Plug (COP) ignition systems—no back-probing or disassembly required. This battery-operated, handheld tool detects ignition firing by simply pressing the 7" probe tip to the coil. With adjustable sensitivity, you get accurate results across a wider range of vehicles and coil designs Key Features:Non-invasive testing at the coil—no wire piercing7" long probe for easy access in tight spacesVariable Sensitivity (VS) dial improves accuracy and application rangeSuper Bright LED indicates sufficient kVGreen LED indicates sufficient Arc DurationHelps identify consistent, intermittent, or no sparkBattery powered (CR2032 included)Limited Lifetime WarrantyToll-free tech support included