Specification: _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Working Voltage: 3.3V-5V _x005f_x000D_ Output Form: Digital Switching Output (0 And 1) _x005f_x000D_ With Fixed Bolt Holes, Easy To Install _x005f_x000D_ Pcb Size: 31*14*7mm/1.21*0.55*0.27in _x005f_x000D_ Use Wide Voltage LM393 Comparator _x005f_x000D_ Product Wiring Instructions: _x005f_x000D_ 1.VCC Receive Power Supply Positive 3.3-5v _x005f_x000D_ 2.GND To The Negative Side Of The Power Supply _x005f_x000D_ 3.DO TTL Switch Signal Output _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1*Photoresistor Resistance Module 1.Light Detection Made Easy: Simplify your light detection tasks with this photoresistor resistance module - the 5516 photosensitive resistor module. It offers accurate light detection capabilities, ensuring efficient and reliable results for your projects. 2.Digital Switch Output: This light sensor switch module provides a convenient digital switch output in the form of 0 and 1, making it easy to integrate and process the detected light information. Achieve seamless compatibility with various devices and systems. 3.Easy Installation: Designed with fixed bolt holes, this digital light intensity detection module allows for effortless installation. Simply secure it in place using the provided mounting options and start detecting light without any hassle. 4.LM393 Comparator Technology: Profit from the wide voltage LM393 comparator integrated within this digital photosensitive sensor module. It ensures clean and robust signal output with excellent waveform characteristics and strong driving capability of over 15mA. 5.Adjustable Sensitivity: Customize your light detection levels with the adjustable potentiometer included in this optical sensitive resistance sensor module. Easily fine-tune the sensitivity to match your specific requirements, making it suitable for applications such as light intensity detection, light sensors, and intelligent light-seeking modules for smart vehicles.