Spectra Precision RC601 Remote The Spectra Precision RC601 Remote is a convenient laser remote control accessory designed for wireless operation of compatible Spectra Precision laser levels from extended distances on the jobsite. Ideal for construction and grading applications, it helps improve efficiency by allowing operators to adjust laser functions remotely without returning to the instrument. Key Features • Compatible with HV101, HV301, HV401, LL100N, LL300N • Enables convenient remote laser operation from the jobsite • Improves workflow efficiency during leveling and grading tasks • Compact, durable field-ready remote design