Product Note: Spectra GL612N Laser with RC602n Remote HL760 Receiver Clamp Nimh and Universal Charger. Grade Match displays the existing grade over unknown ground and eliminates time consuming and error prone calculations, time spent searching for grade plans, and over excavating. Very rugged with low service costs; takes a 3ft (1m) drop on concrete. Quick setups with the 2-way radio remote control.
