The UV LED is detects refrigerant leaks, fluid leaks and surface flaws, while the white light LED is works for component inspection.
The TP-9350 Cobra has a 10mm, 24-inch shaft, while the TP-935036 Cobra-Plus has a 10mm, extra-long 36-inch shaft for inspections requiring additional reach.
Both scopes include a clip-on inspection mirror, which provides the capability to detect flaws normally hidden from view. Four AA alkaline batteries power the two service-free, integrated solid-state LEDs. Fluorescence-enhancing glasses for use with UV light and fluorescent leak detection dyes are also included. Dyes are sold separately. All components are packed in plastic carrying case with a foam insert.
More info: www.tracerline.com