Hot Air Welder Product Specifications MTRH2000 Hot Air Welder is a portable welding tool for insite usage. It is widely used for tent, pool liner and other coating products welding. Our machine can provide stable output, as the most important element, hot air gun is from Steinel. MTRH2000A Max. input power: 2 KVA Voltage: Single phase 50Hz ,220V±10% Welding speed: 1 to 6 m/min Welding thickness: 1 to 5 mm Speed display: Yes Temp. display: No Shape size: 450x300x360 mm Weight: 20kg MTR H2000B Max. input power: 2 KVA Voltage: Single phase 50Hz ,220V±10% Welding speed: 1 to 6 m/min Welding thickness: 1 to 5 mm Speed display: Yes Temp. display: Yes Shape size: 450x310x360mm Weight: 20kg