YJINGRUI Digital LED Counter Visible Laser Sensor with Mounting Box for Automatic Conveyor Belt 6 digits 0-999999 Induction Distance 5m (24VDC) - - Amazon.com
Point laser LINELASER 30mW - green 12-24VDC class 3R
650nm 1mW~20mW Red laser module/ DC 12V~24V /Focus Adjustable
650nm 1mW~20mW Red laser module/ DC 12V~24V /Focus Adjustable