GY-302 Digital Light Intensity Sensor Module is a module-based light sensor IC BH1750. BH1750 is a light sensor IC with I²C interface. This module provides a digital output value via the I²C bus, so you no longer need to add converter ADC. Specifications: - Power Supply: 4.5 V - Resolution: 0-65535 lux - Interface: I²C - Output Type: Digital - Chip Sensor: BH1750FVI - Dimensions: 13.9 x 18.5 mm