This 5V red laser module is perfect for precision pointing, alignment, and detection projects. With its 650nm wavelength and adjustable focus, it's widely used in DIY electronics, robotics, and educational demonstrations.
Key Benefits
✔ Plug-and-play – Works with 5V microcontrollers (Arduino/RPi)
✔ Energy efficient – Low 30mA power draw
✔ Adjustable focus – Sharpen beam for long-range use
✔ Compact design – Easy to mount in projects
Technical Specifications
Core Specifications
Laser color: Red (650nm)
Power output: <5mW (Class IIIA)
Operating voltage: 5V DC (±0.5V)
Current consumption: 30mA typical
Control method: TTL (digital on/off)
Physical Properties
Dimensions: 12mm diameter × 45mm length
Beam range: Up to 100m (indoor)
Focus type: Adjustable threaded lens
Mounting: M2 screw holes
Electrical Characteristics
Interface: 3-pin (VCC, GND, SIGNAL)
Response time: Instant on/off
Why Choose This Laser Module?
✔ Precision - Stable beam for accurate pointing
✔ Versatile - Works with Arduino/ESP/RPi
✔ Durable - Metal housing for heat dissipation
Common Uses:
Laser alignment tools
Security tripwires
Robotics positioning
Science experiments
Safety Warning:
⚠ Always wear laser safety goggles when testing
⚠ Never point at eyes or reflective surfaces
Pro Tip:
For PWM dimming, connect to a PWM-capable pin!
Package Includes:
1 x Laser Module 5V