Feature: 1. [Battery Powered] This space heater is compatible with BL1815, BL1820, BL1530, BL1840, BL1850, BL1860, and other 18V lithium-ion batteries (battery not included). 2. [2 Temperature Settings] The first setting ranges from 30 to 50°F, the second setting ranges from 50 to 80°F, meeting different heating needs. 3. [Quiet Operation] Operates quietly to create a cozy environment without disturbing work or relaxation. 4. [Compact and Portable] Small and portable design allows for easy transport and placement in various locations, ideal for workshops, factories, and job sites. 5. [Suitable for Small Spaces] This battery-powered space heater is designed for small areas, providing warmth to help maintain comfort during use. Specification: Item Type: Small Space Heater Material: ABS Power: 170W Temperature Range: 1st gear 30-50°F, 2nd gear 50-80°F USB Ports Output: DC 5V 2A Rotation Angle: Adjustable left and right up to 360 degrees, up and down approximately 50-60 degrees (heater head can be pulled out for custom positioning) Applicable Battery: 1 x 18V lithium-ion battery (e.g., BL1815, BL1820, BL1530, BL1840, BL1850, BL1860, etc., battery not included) Compatible Batteries: 1. Compatible with 18V B series lithium batteries such as BL1850B (197285-8), BL1840B (197270-1), BL1830B (197602-2), BL1430B (197618-7), BL1820B (197487-6) 2. Compatible with BL1850, BL1840, BL1440 (196391-6), BL1415 (194560-3), BL1815N (196781-3) Not Compatible With: 1. G series batteries such as BL1813G (196663-9), BL1413G (196882-7), BL1415G, BL1430G, BL1815G, etc. 2. 18V Ni-CD batteries such as 1822 (194465-7) Package List: 1 x Small Space Heater Note: Battery not included.