Lumu Power is the all-new light meter by Lumulabs. It can measure color temperature, white balance, flash and ambient exposure, as well as illuminance. With two state-of-the-art sensors it’s aiming for unparalleled accuracy. There’s a True Color sensor, based on the color standard CIE 1931/DIN 5033 on one side. On the flipsde you find a fast response Photodiode with CIE spectral luminous efficiency. You can simply attach Lumu Power via the Lightning connector, turning the iPhone into the smartest & fastest light meter device available.