1. The base of the forehead could connect with head lamp, camera, night vision device, avoiding the additional cost of the base
2. On both sides of the helmet and on the rear side are velcro straps, user can equip it with IR identification badge, IR recognition light according to actual needs
3. Inside the helmet is the EPP cushion pad, light-weighted, impact-resistant and ventilated
4. Slides on two sides can be adjusted front and back, secured by metal spiral screw, where you can install indicator, flashlight, headphone and other functional accessories
5. Adjustable strap, just slightly twist the knob to tighten the space helmet, makes the helmet more stable and not released. Head circumference: 56 ~ 62cm

Color: black
Material: ABS plastic + metal
Outer dimension: 26 21 18 cm
Head circumference: 56~62 cm
Feature: user can install flashlight, emergency light, signal light, earphone at the side slide
User can attach IR identification badge, IR recognition light and so on with the help of the Velcro tape