ITEM NAME:20PCS Photoresistor GL5528 LDR Photo Resistors Light-Dependent a.imagelink a:hover.imagelink {color:#ffffff;.Illumination resistance characteristics: 3. Dark Resistance (MΩ): 1. Light Resistance (10Lux) (KΩ) :10-20. Ambient temperature (℃): -30~+70. Ambient temperature (℃): -30 --- +70. Model: 5528. Spectral peak (nm): 540.