1. Three-spring design, 5-6m arm 3pcs spring, 4-4.5m 2 pcs spring, 3m 1pc spring. Easy to change arm length.
2. Speed adjustable, process simplify.
3. Patented curved linkage design, arm working more stable.
4. Technology breakthrough: 0.6sec with 3m arm, 8sec with 8m arm.
5. Lifetime over 10 million times.
6. Motor won't get heat, heavy duty.
7. Planetary gearbox, long lifetime, high precision.
8. Arm auto reverse, arm swing out
>>>>For more details, please contact Keira Freely<<<<
