Description 300W Hot Air Gun DIY Welding Temperature Blower Electric Hot Air Dryer Mini Hot Air Gun, suitable for crafts and heat shrink tubing wrapping 300W Hot Air Gun DIY Welding Temperature Blower Electric Hot Air Dryer Mini Hot Air Gun, suitable for crafts and heat shrink tubing wrapping 300W Hot Air Gun DIY Welding Temperature Blower Electric Hot Air Dryer Mini Hot Air Gun, suitable for crafts and heat shrink tubing wrapping, with nozzle 1. Product Features: 1.01 Heating cylinder is made of chrome-plated iron. 1.02 Uses a high-quality motor, efficient, powerful, and durable. 1.03 Uses high-temperature resistant high-quality nickel-chromium alloy heating wire. 1.04 Multi-level temperature adjustment to meet different work needs. 1.05 Can be used in electronics and electrical work, product packaging, bumper repair, paint removal, drying, replacing floor tiles, bending plastic tubes, blowing heat shrink tubing, refrigerator defrosting, garment factory threading, etc. 1.06 The casing uses a PP+GF30 color scheme design. Operating ambient temperature: -10℃~40℃ Rated input voltage: AC220V, AC110V Rated frequency: 50Hz, 60Hz Maximum power: 300W Operating power range: 150W~300W Standby power consumption ≤2W Airflow: 200-450 liters/minute Outlet air temperature: 230℃~380℃, maximum outlet air temperature: 330~350℃ (actual measurement point away from the air outlet). Minimum outlet air temperature: 230~280℃ (actual measurement point away from the air outlet). Noise: ≤76 dBA (at 30cm from the air outlet) Start switch and temperature adjustment 1. Turn on the power switch Use the toggle switch on the handle to select the power switch and temperature setting. Position "O" turns the machine off; "I" is the lowest setting, low temperature and high fan speed, not adjustable; "II" is the highest setting, high temperature and high fan speed, not adjustable. 2. Two temperature settings: one half-on, the other fully on. Precautions: ●Do not use a power supply with a voltage other than the specified voltage. ●Do not use this product in humid or high-temperature environments. ●Do not violently impact, disassemble, or assemble this product, as this may cause product malfunction. ●Turn off this product when leaving the house. ●Do not block the air inlet and outlet during use. ●Do not touch the air outlet with your hands during use to avoid burns.