This laser module produces a small intense light beam (650 nm, red).
Specifications:

1. operating voltage: 5 V
2. operating current: 20 mA
3. wavelength: 650 nm
4. colour: red
5. dimensions: 18.5 mm x 15 mm [0.728 in x 0.591 in]
6. working temperature: -10°C - 40°C [14°F to 104°F]
7. output power: 1 mW

ce_rohs_open.pdf