1, a cylindrical stainless steel, thick 1.5mm; no direction indication;
2, size: cylinder height: 1000mm, cylinder diameter: 220mm;
3, channel width: ≤900mm;
4, fence another operator;
5, all-electric movement, no mechanical transmission components;
6, all-electric movement, no mechanical transmission components, long life;
7, life: 300 million times;