1. [Battery Powered] This space heater is compatible with Makita 18V lithium-ion batteries, including BL1815, BL1820, BL1530, BL1840, BL1850, BL1860, and other 18V batteries (battery not included). 2. [2 Temperature Settings] First setting: 30–50°C; second setting: 50–80°C — ideal for varying comfort needs. 3. [Quiet Operation] Operates quietly to maintain a comfortable environment without disruption. 4. [Compact and Portable] Lightweight and portable design for easy transport and placement in workshops, garages, job sites, and other locations. 5. [Ideal for Small Spaces] Designed to provide efficient warmth in compact areas. Features two USB ports (5V, 2A output) for charging devices. Specifications: Item Type: Portable Space Heater Power: 170W Temperature Range: - Setting 1: 30–50°C - Setting 2: 50–80°C USB Output: 2 × DC 5V / 2A Adjustable Angle: 360° horizontal rotation; 50–60° vertical tilt (heater head can be detached and repositioned freely) Compatible Batteries: 18V lithium-ion batteries (e.g., BL1815, BL1820, BL1530, BL1840, BL1850, BL1860, BL1850B, BL1840B, BL1830B, BL1430B, BL1820B, BL1440, BL1415, BL1815N) Not Compatible With: G-series batteries (e.g., BL1813G, BL1413G, BL1415G, BL1430G, BL1815G) or 18V NiCd batteries.