ITEM NAME:Bakelite Single Sided Copper PCB Prototype Matrix Table 7 cm x 5 cm 20 PC V9J5 Bakelite Single Sided Copper PCB Prototype Matrix Table 7 cm x 5 cm 20 PC V9J5 Product Name: Light Resistance Model: GL5528. maximum. Voltage: 150 V Maximum power consumption: 100 mV. Spectrum peak: 560 nm Response time: 30 msec. LDR head diameter: 5 mm Bolt length: 2.9 cm. Material: Electrical parts of metal Net Weight: 7 grams. Package Contents: 20 x Bakelite Single Sided Copper PCB Prototype Matrix Table Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Spectrum peak: 560 nm. Bolt length: 2.9 cm. Maximum power consumption: 100 mV.