Amazon.com: Huepar Laser Detector for Line Level, Digital Receiver Used with Pulsing Lasers Up to 200ft, Detect Red and Green Beams, Three-Sided LED Displays, Clamp Included LR-6RG : Industrial & Scientific
Johnson Level Machine Mountable 360 Degree Detector with Clamp and Magnet | 40-6791 | Johnson Level & Tool Mfg Company