World Smallest Precision Laser Distance Measurement Sensor with Serial Port 20m laser distance sensor measured the short range from 3cm to 20m,can be used in Public facilities planning, the botanical garden, the telecom industry. Highlights: 1. Measurement range: 3cm ~20m 2. Accuracy: up to ± 1 mm if in good conditions 3. Visible red laser beam (class 2) 4. Autonomous sensor: ready to use, no calibration required 5. Integrated and test with Gese software More service: 1. Distance optional: 40m, 60m, 100m, 120m, 150m 2. Interface optional: serial port, USB, RS232, RS485, Bluetooth etc 3. Operating temperature: -10 ºC~50 ºC can be customized. Detailed pictures Working principle for laser range sensor Diagram for laser range sensor Technical Datasheet for similar modules: Middle Module Big Module…