Handheld Ultrasonic Spot Welder for Door Panel Modification Welding Gun Model Standard Host Type CNC Resonant Frequency 28K Output Power 1000W Time Adjustment Available Transducer Material Magnesium-Aluminum Alloy Weld Spot Range ≤15mm Housing Material ABS Plastic Net Weight 5.3 Kg Gross Weight 6kg Main Unit Dimensions 260*130*185 mm Plastic Component Puncture Test Thickness ≤1.5mm