Extech MD10 Non-contact Magnet Detector with Built-in Flashlight, Blue

OverviewProduct description Non-contact Magnet Detector with Built-In Flashlight. Detect the Presence of a Magnetic Field including AC, DC and Permanent Magnets. Blue LED lights up indicating the presence of a magnetic field. The convenient built in bright flashlight allows for viewing in dimly lit areas. Magnetic field detection range: 63H, 98H, 401H, 810H. Low battery indicator. Compact size with pocket clip. Complete with two AAA batteries.