1. Variable Temperature Control: The batterypowered heat gun delivers powerful performance with a temperature range of 60 540°C. It features 4 airflow speeds: 100 180 L/min, 220 280 L/min (maximum airflow 9.9 CFM). Additionally, the overheating protection automatically shuts off the heat gun when it exceeds the safe operating temperature, ensuring durability and safety. 2. BatteryPowered: Compatible with BL1830B, BL1840B, BL1850B, BL1860B, BL1815, BL1820, BL1825, 1943091, 1942053, 1942045, and more. With battery power, you can use this cordless heat gun in outdoor environments without access to power outlets, eliminating the hassle of tangled cords. This allows you to work effortlessly in tight spaces, job sites, or outdoor areas. 3. LCD Digital Display: This portable heat gun for crafts features an HD blue LCD screen, enabling you to monitor the machine's temperature and airflow for realtime and precise adjustments. It is an efficient tool that can quickly heat up to the maximum temperature in 2 3 seconds. Its powerful motor can generate heat up to 1022°F, making it ideal for various applications such as shrink wrapping. 4. Temperature Lock Mode: The memory mode function saves the last set temperature for the next use, saving time and effort. By pressing the temperature lock button, you can also complete your tasks even when working alone.