Lumu Power 2 Power Light Meter for iPhone

The Lumu Power 2 Power will turn your iPhone into a handheld light and color meter. It connects using your iPhone's lightning port and is made of stainless steel, which helps it withstand demanding uses. It uses two sensors, one of which is based on the CIE 1931/DIN 5033 color standard, while the second is a silicon photodiode that captures light at 750000 measurements per second.