The Sigma Pro delivers a light output of 220 lumens with a beam range of 100 metres, making it ideal for use in hazardous environments. A large rubber switch and an easily adjustable headband ensure comfort of use, even when carrying heavy equipment. The headlamp complies with the ATEX standard for Zone 0 and holds numerous safety and reliability certifications.
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■ Complies with the ATEX standard for Zone 0
■ Large, easily accessible rubber switch
■ Fully adjustable silicone headband
■ Adjustable 90° beam angle
■ Gas release valve
■ IP67-rated for submersion to a depth of 1 metre
■ Optional helmet clips are available

| Standard warranty | 3 years, renewable |
| Dimensions | Size: 80 x 50 x 45 Weight: 143g |
| Beam type | Point-based |
| Beam distance | 100 |
| Light mode | High, low |
| IP rating | 67 |
| Battery type | AAA |