Features: High Sensitivity: The TSL2561 light intensity sensors module detects light from 0.1lux to 40,000lux, making it suitable for various lighting conditions. Double-Channel sensors: Equipped with IR and visible light detectors, it provides accurate light intensity readings by analyzing both paths. Digital Output: Features I2C connection for easy communication with microcontrollers, ensuring straightforward data processing and minimized analogs noise. Wide Dynamic Scope: Capable of precise measurements in both low and high light setting, perfect for diverse monitoring applications. Small and Lightweight: With size of 18x14mm, this module is easily integrated into electronic devices and projects. Specifications: Component: Plastic Size:Approx.18x14mm/0.7x0.55inch Detection light intensity ranges: 0.1lux to 40,000lux Voltages: 3 V Option Type:1pc,2pcs; Interfaces: I2C (TSL2561 )and SMBus(TSL2560) interfaces transmission Package Includes: Package A 1pc TSL2561 intensity Sensors Module Package B 2pc TSL2561 intensity Sensors Module note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.