The Accent B7C is an RGBWW Colour Mixing LED Light Bulb. 7W RGBWW LED Smart Bulb. The Accent B7c is a battery-operated 7W RGBWW color-mixing LED light bulb, and the first product in Aputure’s Accent family of “practical” LED lights built for filmmakers, with a unique combination of features no other light has.
eBay