Amazon.com: Maxsa 37312 Park Right Dual Laser Parking Assist Guide System for 2 Vehicle Garages with Adjustable Lasers, AC Adapter, and Battery Backup, Silver : Automotive
Akusense MLD22 20-150cm Distance Laser Movement Sensor Analog Output Digital Motion Sensor Triangulation Infrared Laser
Laser filament motion sensor from Mark on Tindie
Amazon.com: Zone Tech Garage Parking Assist Dual Laser Guide - High-Tech Professional 360 –Degree Adjustable to Wider Angles, Sensor With AC Adapter and Battery Backup for Car /Automotive : Automotive