Features:
1) Disc type: general purpose
2) Disc diameter: 120mm
3) Data capacity: 4.7GB
4) Recording speed: 1x - 4x, 1x - 8x
5) Dye type: Cyanine, Azol
6) Recording wavelength: 650mm (Circular Polarization)
7) Numerical aperture: 0.6  50.1
8) Scanning velocity at 1x: 3.49  5m/s
9) Read power: < 1mW
10) Shelf life: 50years (Stored at 20  50 degrees Celsius, <50%RH)
11) DVDR book version: 2.0 General
12) Stacking ring: both sides

Inner packing:
100pcs shrink wrapped

Outer packing:
600pcs/carton
Carton dimensions: 40 x 27.4 x 15.5cm
G.W.: 10kg