Gikfun Photoresistor GL5516 LDR Photo Resistors for Arduino (Pack of 20pcs) EK1412 Maximum Voltage (V-dc): 150 Maximum power consumption (mW): 100 Temperature (degree C): - 30 - - +70 Peak Spectrum (nm): 560 Bright Resistor (10Lux) (K_): 5-10 Dark resistance (M_): 0.8