Features 1、Stable Power Supply: 3.3‑5V DC power supply can be used to supply power to the module, with stable power supply voltage and good transmission effect 2、Low Power Output: Low level digital output signal, fast signal reception, continuous and stable 3、Strong Adaptability: Strong adaptability to ambient light and strong acceptance ability 4、Detect Brightness: Most sensitive to ambient light, commonly used to detect environment around the brightness of the light 5、Use with Expansion Board: The port is analog voltage, which is used with the sensor expansion board Specification Item Type: Photosensitive Sensor Module Material: Plastic Product Size: Approx. 23 x 21mm / 0.9 x 0.83in Purpose: Used with Sensor Expansion Board Package List 1 x Photosensitive Sensor Module