Incorporates LTR390-UV-01, for measuring ultraviolet ray and visible light Embedded , direct light intensity value output via I2C bus, less noise interference Supports interrupt output, programmable upper/lower Onboard voltage translator, compatible with 3.3V/5V operating voltages The UV Sensor (C)is an I2C digital UV sensor module which incorporates LTR390-UV-01, designed for measuring ultraviolet ray as as visible light, and providing light intensity value output. With features including sensitive detection, fast response, and small form factor, the UV Sensor (C)integrates the main sensor LTR390-UV-01 on 27 x 20mm body, allowing easy integration into other devices. Condition: New Type: Voltage Regulator Model Number: LTR390-UV GUVA-S12SD Supply Voltage: DC3-12V color:As shown Material:PC+metal Package Contents: 1 x Digital LTR390-UV Ultraviolet Sensor Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.