Electric shear expander: has power display function, display alarm (red) when the power is lower than 20%, the body is equipped with LED light; equipped with power adapter, can directly connect 220V AC power; handle has rotation function, can be along the center axis of the fuselage The cutting direction is 360° rotation and can be firmly positioned every 90°; the maximum opening distance of the end is ≥360mm; the cutting capacity: Φ35mm (round steel), the thickness of 20mm plate (Q235A material); the maximum expansion force ≥50KN (the expansion arm end is sharp Lower 75mm); Weight: <21Kg (without battery).