Black + Decker Thermal Leak Detector

Use the Black + Decker TLD100 Thermal Leak Detector to save on your home’s heating and cooling costs by detecting and locating leaks in locations like windows, walls, ductwork, drafty fireplaces, and more. A color-changing LED and easy-to-read display screen give you quick and intuitive feedback, while the ergonomic design provides a comfortable grip. A 5-step guide is included to help you fix simple leaks.

This kit includes BLACK+DECKER TLD100 thermal leak detector ($40), instructions and generic carrying case ($10).
$50.
Black + Decker TLD100 Thermal Leak Detector