Product Description: Type: GY – 302 Size: 13.9 mm X 18.5 mm The original BH1750FVI ROHM chip Power supply: 3-5 v Data range: 0-65535 Sensor built-in and bitad converter Direct digital output, bypassing the complicated calculation, omit calibration Do not distinguish between ambient light Close to the visual sensitivity of spectral characteristics For a wide range of brightness for 1 lux high precision measurement