Two-Sided Backlit LCD Display Red Beam Rotary Laser Detector GCM12SD durable trivet comes with a

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Two-Sided Backlit LCD Display Red Beam Rotary Laser Detector GCM12SD durable trivet comes with aThe Johnson Two Sided Laser Detector with Clamp enables construction professionals to use any red beam rotary laser outdoors or in high ambient light conditions when the beam is invisible to the human eye. This laser receiver features high sensitivity, a double faced display, low power consumption, easy operation, and a mounting bracket for easily attaching to grade rods. Greatly expands the working range of any red beam rotary laser, the Johnson