Quick answer: This is XFH LASER’s air-cooled handheld fiber laser welder. The standard model is 1500W with a Rlaser source, a 7-inch touch screen and a single wire feeder. It needs no water chiller, so it is light, quick to set up and suited to workshops and on-site jobs. One handheld head welds, cuts thin sheet, removes rust and cleans weld seams. 1500W covers stainless, carbon and galvanized steel up to about 4–5 mm. 1500W Standard power (700–2000W options) Air-cooled No chiller needed 4-in-1 Weld · cut · clean · seam clean Get Price Standard Configuration (1500W Air-Cooled) Laser source Rlaser F16 fiber laser, 1500W Cooling Air-cooled (no external water chiller) Welding head & control Suplaser 28F, or RelFar FWH30 with cleaning function Control panel 7-inch color touch screen Electrical parts Schneider breaker, contactor and emergency stop; SMC gas valve Wire feeder Single wire feeder, nozzles for 0.8 / 1.0 / 1.2 / 1.6 mm wire Included accessories 5 protective lenses, OD7+ laser safety glasses, 3 m power cable, 5 m safety interlock cable Other power options 700W, 1200W, 2000W Welding Thickness by Laser Power Use this table to choose the power level. For most sheet-metal work up to 4 mm, 1500W is enough; for 5–6 mm choose 2000W, and for thicker parts see our water-cooled handheld laser welder. Sheet thickness (mm) Stainless / carbon / galvanized steel – laser power (W) Wobble width (mm) Filler wire (mm) 0.5 300–450 1–1.5 0.8–1.0 1 400–500 1.5–2 0.8–1.2 2 450–600 1.5–3 1.2–1.6 3 500–800 2–4 1.2–1.6 4 600–1200 3–5 1.2–1.6 5 1000–1500 3–5 1.2–1.6 6 1200–2500 3–5 1.2–1.6 Aluminum thickness (mm) Suggested laser power (W) 0.5 400–550 2 500–750 4 700–1200 6...