SPECTRA CR700 - Combination Laser ReceiverCR700 Combination Laser Receiver is a machine mounted display receiver used on small grading and excavating equipment as well as a traditional laser receiver mounted to a grade rod or handheld. The Best Way to get a Good Grade The Spectra Precision CR700 Combination Laser Receiver is a machine mounted display receiver used on small grading and excavating equipment as well as a traditional laser receiver mounted to a grade rod or staff. The CR700