Main technical parameters:
1. Main material: special aluminum alloy, environmental protection type with advantages of firm, not easy to cause deformation, durable and not easy to cause oxidation.
2. Outer frame specification: 145mm(width)*160mm(thickness)
3. Width of triangular prism: 131mm, thickness 1.35mm2.0mm
4. Weight : about 20kg per square meter
5. Drive: cam propulsion system/ Double-gear stepping wheel drive system. The drive is steadies more compactness without deviation;
6. Drive shaft: solid-core aluminum shaft with diameter of 2cm, the twisting force is strong and the drive is smooth;
7. Picture composition: 7.0 m triangular prism without connection; the length is not limited.
8. Picture gap: confirm according to the height of tri-vision billboard.
9. Picture turning time: 6-15 seconds per picture (preset at factory).
10. Picture displaying time: set freely between 0 second to 900 seconds.
11. Tri-vision power supply: voltage: 220V; current: 0.54A, frequency: 50HZ and power: 90W.
12. Wind resistance capability: within Scale 10.
13. Running life: Qualified installation will ensure normal service life up to 15 years based on 16 hours each day.

Production configuration:
1. Motor: Original Japanese Panasonic 90W stepping motor with good heat emission, low vibration, high performance and long service life.
2. Control system: French Schneider with such functions as active protection automatic reset and intelligent control picture displaying time, etc.