ITEM NAME:BH1750FVI Digital Light Intensity Sensor Module For Arduino 3V-5V Power Descriptio n Specifications: 1. Outer Diameter 26mm, Big Margin Diameter 28.5mm, High 26mm (Illuminated Globule) 2. Working Voltage: DC5V 3. Communication Interface: I2C 4. Input Optical Range: 1-65535lx 5. Spectral Sensitivity Characteristics: Typical Peak Sensitivity Wavelength: 560 Nm 6. Light Source Dependence Is Weak: Incandescent Lamp, Fluorescent Lamp, Halogen Lamp, White LED, Fluorescent Lamp Can Be Used. Package Included: 1 * Digital Light Intensity Sensor Module Honesty is gold for all! BH1750FVI Digital Light Intensity Sensor Module For Arduino 3V-5V Power