Main Features:<br />- Detect brightness and light intensity surrounding<br />- Sensitivity adjustable (Blue digital potentiometer adjustment)<br />- Working voltage: 3.3V - 5V<br />- Output: Analog voltage output? digital switch output<br />- With installation holes? easy to use<br />- Small boars size: 3cm x 1.6cm<br />- Power indicator: Red<br />- Digital switch output indicator: Green<br />- Uses LM393 chip comparator? work stability<br />- 4-wire connection<br />- VCC: External 3.3V - 5V <br />- GND: External GND<br />- DO: Small board digital output port <br />- AO: Small board analog output port <br />- Great for DIY project<br /><br />    Specifications<br />General<br />  Material: Plastic + Copper + PCB                                                 <br />Weight and Size<br />  Product Weight: 0.005 kg                                                  <br />                        Package Weight: 0.050 kg                                                  <br />                        Product Size(L x W x H): 3.6 x 1.5 x 0.6 cm / 1.41 x 0.59 x 0.24 inches                                                  <br />                        Package Size(L x W x H): 4.6 x 2.5 x 1.6 cm / 1.81 x 0.98 x 0.63 inches                                                 <br />Package Contents<br />  Package Contents: 1 x Module? 1 x DuPont Line                                                 <br /><br /><br /><br />                                                                                            <br />