Description: FNIRSI SAG-55 Handheld Portable Hot Air Gun 550W High-Power The FNIRSI SAG-55 is a high-performance handheld portable hot air gun developed by Shenzhen FNIRSI Technology Co., Ltd. Designed for both professionals and DIY users, this intelligent tool features rapid heating, precise temperature control, and exceptional portability. Its ergonomic design, safety-focused automation, and smart features make it ideal for a wide range of soldering, desoldering, and heat shrink applications. Product Features: Intelligent PID Temperature Control: Microcontroller with PID algorithm ensures fast, stable heating with minimal thermal shock, prolonging heating element lifespan. 550W High-Power Output: Delivers powerful and consistent heat for efficient operation across various tasks. Brushless Fan with 20-Speed Adjustment: Quiet operation, extended service life, and wide adaptability for different working environments. Magnetic Sensor Handle: Automatically starts heating when picked up and enters standby cooling mode when returned to the holder. On-Handle Control Interface: Integrated LCD screen and adjustment buttons for one-handed temperature and wind speed control. 3 Preset Memory Modes: Quickly switch between saved temperature/wind speed settings for convenience and efficiency. Fast Cooling Function: Rapid cooldown extends the lifespan of the heating element and improves safety. Built-in Safety Protections: Real-time monitoring with automatic shutoff in case of abnormalities such as overheating or malfunction. LED Indicator: Displays working status and temperature changes clearly. Ergonomic and Portable Design: Lightweight with a comfortable grip, suitable for long working sessions. Technical Specifications: Model: FNIRSI SAG-55 Power Supply: AC 220V Power Output: 550W Temperature Control: PID Closed-Loop Control Temperature Range: Adjustable (typically 100?500C) Wind Speed Levels: 1?20 Standby Cooling Temperature: Adjustable between 70?100C Display: LCD Screen + LED Indicator Handle Features: Magnetic sensor, integrated controller, brushless fan Cooling Mode: Fast Auto-Cooling Menu Settings: Menu Items Definitions Factory Settings Adjustable Range Auto off Time to wait in standby mode before automatic shutdown 5 minutes Never Shutdown, 5 min, 10 min, 15 min Heat Skip heating confirmation screen Off Off / On Unit Temperature unit Celsius (C) C / F Language Interface language Simplified Chinese Simplified Chinese / English Shortcut Preset fan speed and temperature Fan speed 10, 300C Fan speed 1?20, 100?450C Step Temperature adjustment step 25C 5C?25C Standby Standby temperature 80C 70C?100C Cooling Enable fast cooling Open Open / Close Temp CAL Temperature calibration points 120C, 220C, 320C, 420C / Brightness Screen brightness 10 1?10 Reset Restore factory settings Cancel Cancel / Confirm About Device info and version V1.0 / Applications: PCB soldering and desoldering Heat shrink tubing