Icstation KY-008 Laser Transmitter 5mW 650nm Red Dot Laser Diode Module for Arduino (Pack of 10): Amazon.com: Industrial & Scientific
1pcs KY 008 650nm Laser Sensor Module 6mm 5V 5mW Red Laser Dot Diode Copper Head for arduino Compatible with UNO MEGA 2560|head head|head sensorhead laser - AliExpress
10pcs Ky-008 650nm Laser Sensor Module 3pin Red Laser Transmitter Dot Diode Copper Head Module Ky008 For Arduino Sensors - Replacement Parts - AliExpress
Laser head sensor module KY-008 - Arduinoshop99 : Inspired by LnwShop.com