Features: 650nm module with 5V operating and 5mW output, ideal for projects requiring accurate pointing or distance measurement. 19x15mm design with standard 3 pin ensures integration into robotics, security systems, and educational. Essential component for electronics enthusiasts, robotics engineers, and STEM educators developing prototypes or learning tools. Perfect for creating alignment systems, detection mechanisms, and science experiments in makerspaces or workshops. Features construction with optimized heat dissipation and premium lens, maintaining beam clarity under continuous operation for professional applications. Specifications: Size:Approx.15x24mm/0.59x0.94inch Light source wavelength: 650NM Package Includes: 5Pcs sensory Module note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.