650nm 3mw-5mw Red Laser Dot Module 3VDC 9mmx23mm 3pcs: Amazon.com: Tools & Home Improvement
Red Dot Laser Diode Class IIIA: 3mW/ 650nm [CP-TIM-230-3-3D-650] - $31.90 : Calpac Lasers Diode Modules Pointers and Levels, 20 years of experience specializing in industrial and promotional laser diode applications