Specification Brand : HiLetgo BulletPoint1 : BH1750 BH1750FVI Digital Light Illumination Sensor Light Intensity Sensor BulletPoint2 : Contains communication level conversion internally, connects with 5v microcontroller IO, supports STM32/51/Ardunio BulletPoint3 : XH2.54 interface cable, convenient for customers to do DIY BulletPoint4 : Small size, widely used for indoor light detection, vegetables, nurseries, greenhouses. ItemName : HiLetgo 2pcs BH1750 BH1750FVI Digital Light Illumination Sensor Light Intensity Sensor Module Light Intensity Ball for Arduino DC 5V ItemPackageDimensions_Height : 10.5918 centimeters ItemPackageDimensions_Length : 2.8956 centimeters ItemPackageDimensions_Width : 6.9088 centimeters ItemTypeKeyword : sensor-blocks Manufacturer : HiLetgo Material : Copper ModelNumber : 3-01-1682 PartNumber : 3-01-1682 ProductDescription : Description: The BH1750FVI Digital Illumination Sensor Module is a digital light intensity sensor IC for a two-wire serial bus interface. The brightness of the LCD and keyboard backlights can be adjusted using the light intensity data collected by this module. This BH1750FVI module resolution can detect a wide range of light intensity changes. Specifications: 1. Working voltage: DC 5V 2. Communication interface: I2C 3. Input light range: 1-65535lx 4. Spectral sensitivity characteristics: peak sensitivity wavelength typical value: 560nm 5. Contains communication level conversion internally, connects with 5v microcontroller IO, supports STM32/51/Ardunio 6. XH2.54 interface cable, convenient for customers to do DIY 7. Small size, widely used for indoor light detection, vegetables, nurseries, greenhouses. Package included: 2* BH1750 BH1750FVI Digital Light Illumination Sensor