Internal Rechargeable Battery - The Lume Cube Ring Light Pro is the only complete Edge Lit Studio-Grade ring light that features both an internal rechargeable battery and a power cord option. Free yourself to move from location to location with ease. Create content outdoors with no need for a plug. battery runs for 70 mins at full brightness 2 hours at lower power. Edge-Lit LED Lighting: 256 high-quality inward-facing LEDs with a built-in diffuser for 1700 lux at.5 meters ensuring flawless studio quality lighting that is easy on the eyes and creates smooth flattering skin tones. Bi-Color Lighting: 2700K-7500K Color Temperature Range. Choose color temperatures from cool blue to warm amber for the perfect mood or true-to-life skin tones in any setting. Remarkabe 1500 Lumens 96+ CRI Rating Remote Controller and LCD: Wireless remote control allows you to fully adjust and activate the light while you stay in position. Smart LCD Screen on the light provides a battery life indicator