The HN-775 door-buster is designed for special operations when size ↦ weight are major factors. This tiny device has a capability of 2,500kg and requires only a single operator .This model can perform on both inwards/outward-opening doors. The operating method doesn’t require standing in front of the door. It has a fixed 360° rotatable pump. It is the perfect solution for: undercover, intelligence tasks, etc. The door-buster is carried on shoulder with special strap or in a pouch.