DeWALT DE0892 Detector compatible with DW088K and DW089K lasers, very easy to use working up to 50 metre. These DE0892 DeWALT Detectors use select able narrow and wide accuracy settings with heavy duty clamp for mounting on grade rods plus the back-lit LCD makes the DE0892 easy to read in various conditions. Magnets allow this DeWALT detector to be mounted on the metal track and has an automatic shutdown if inactive for about 5 minutes protecting the 9 volt battery supplied with these DE0892 detectors.