Spectra Precision DET-2 Digital Electronic Theodolite.
It offers 2 arc-second angular accuracy for precise angle measurements in construction projects.
Features a dual backlit LCD display for easy reading in various lighting conditions.
Includes vertical axis compensation using a tilt sensor for enhanced accuracy.
The kit typically comes with a rechargeable NiMH battery pack, a backup alkaline battery pack, and a hard-shell carrying case.