1. Material: Made of high-strength materials, durable, large rubber buttons are easy to operate.<br> 2. Configuration base: multiple installation bases are configured to adapt to different platforms<br> 3. Application: Adapt to for OpsCore ARC specification guide rail<br> 4. Energy saving: Energy saving and power saving, using two CR123A batteries for power supply (the product does not include batteries)<br> Applicable scene:outdoor equipment, film movie props<br> Battery life:more than 100 minutes (different usage, different battery life)<br> Product tip:Users need to purchase 2 x CR123A battery to use it normally(the product does not include batteries)<br> Colour:Mud Color<br> Material:nylon<br> Size:12x5x2cm/4.7x1.97x0.87in<br> Package Contents:<br> 1 * Helmet Light<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.