Takamine Laser Receiver for Laser Level - Green Laser and Red Beam Receiver for Pulsing Line Lasers, Three-sided Smart LED Displays, Adjustable Speaker, Two-Sided Level Bubble Bottle, Clamp Included - Amazon.com
Laser receiver issue - General Electronics - Arduino Forum
Bosch LR 30 Red-Beam Rotary Laser Receiver, 500', 635 to 650 nm
Huepar LR-5RG Laser Detector for Laser Level - Green and Red Beam Receiver for Use with Pulsing Line Lasers, Two-Sided Back-lit LCD Displays, Automatic Shut-Off Timer, Clamp Included - Amazon.com