Photoresistor, 30 pcs 5mm GL5528 LDR Photocellsensor for Brightness [Photoresistor] Made of high-quality semiconductor materials, the photoresistor's conductivity changes with the change of light intensity. [Easy to Install] LDR can be installed in any circuit by soldering or using a solder pad. Pay attention to the soldering point and complete the soldering in a short time. [Versatile] Widely used in lamps, electronic toys, cameras, controlled light alarms, and other industries, or DIY circuit projects at home or in the studio. Photoresistor 1. Made of high-quality semiconductor materials. 2. The photoresistor's conductivity changes with the change of light intensity. 3. LDR can be integrated into any circuit by soldering or using a solder pad. 4. Pay attention to the soldering point and complete the soldering in a short time. Parameters GL5528 Maximum Voltage: 150VDC Operating Temperature: -30 to 70 Maximum Power: 100mW Light Resistance (10 Lux): 10-20 Kohm Dark Resistance: 2 Mohm Spectral Peak: 540 nm, 100Ω±10: 0.6 Response Time: 20 minutes (peak), 30 minutes (bottom) Package Includes: GL5516*30PCS