The Helia Bi-Color LED lights offer the flexibility of color temperatures ranging from 2700K to 5600K for any shooting situation. The 4-inch Fresnel lenses can focus from a 60-degree flood to a 15-degree spot. With a high CRI and TLCI, the Helias give shooters all the color they're looking for and more. A large digital display allows you to move through the menus and tweak settings with ease. The flicker feature can be tuned to any frequency. HF40 lights can be powered with a pro battery and come with V-mount battery plates and DC cables. They also come with barn doors and AC power cables. A heavy-duty case and sturdy stands allow for quick setups wherever you choose to shoot.