The Accent B7c is the only RGBWW color-mixing LED Smart Bulb for filmmakers with a built-in battery. Packing a CCT range of 2,000K-10,000K, CRI/TLCI scores of 95+, and a SSI(Tungsten) score of 85 into a light bulb form factor, the Accent B7c allows you to more naturally integrate programmable, color-mixing, practical lighting into any scene. First color mixing smart bulb. Utilizing Aputure’s unique RGBWW LED configuration, the Accent B7c can produce over 90% of saturated colors in the Rec.2020 color space, and can match nearly any white light source via Sidus Link’s SourceMatch feature. Industry-first design. The Accent B7c is the only LED smart bulb to include both on-board control buttons and an internal battery (70 minutes @ max output), making toggling between CCT presets and adjusting brightness incredibly simple in any scenario. Main Features - 7W RGBWW LED Smart Bulb - Standard E26/E27 Light Bulb Socket - Built-In Lithium-Polymer Battery (70+ Min. @ Max Output) - Fully Tunable CCT from 2,000K-10,000K - CRI: 95+, TLCI: 96+, SSI(Tungsten): 85, SSI(D55): 74 - RGB Color Tunability with HSI Controls - Stepless Dimming from 0-100% with No Color Shift - 9 Built-In Lighting FX - Sidus Link App Compatible - Two Power Supply Modes: Standard/AC Mode & Battery/DC Mode …and more! What’s in the Box - 1x Accent B7c RGBWW LED Bulbs - 1x Carrying Pouch