Feature: 1. [Battery Powered] This space heater is compatible with for BL1815 BL1820 BL1530 BL1840 BL1850 BL1860 etc., 18V lithium ion battery (without). 2. [2 Temperature Settings] The first setting ranges from 30 to 50℃, the second setting ranges from 50 to 80℃, meeting different needs. 3. [Quiet Operating] Operating quietly, this small space heater creates a cozy environment without disturbing your work or relaxation. 4. [Compact and Portable] Its small and portable design makes it easy to carry and place in various locations, suitable for workshops, factories, and other worksites. 5. [Suitable for Small Places] This battery powered space heater fan is suitable for small places, offering warmth to help you stay comfortable during work hours. Specification: Item Type: Small Space Heater Material: ABS Power: 170W Temperature Range: 1st gear temperature 30-50℃, 2nd gear temperature 50-80℃ 2 USB Ports Output: DC 5V 2A Rotation Angle: The angle of any adjustment, left and right 360 degrees, up and down about 50-60 degrees (if there is no suitable angle, you can pull out the heater head freely placed) Applicable Battery: 1 x 18V lithium ion battery such as for BL1815, BL1820, BL1530, BL1840, BL1850, BL1860, etc. (not included) Compatible and Incompatible Batteries: 1. Compatible with 18V B series lithium batteries, such as for BL1850B (197285-8), BL1840B (197270-1), BL1830B (197602-2), BL1430B (197618-7), BL1820B (197487-6) 2. Compatible with for BL1850, BL1840, BL1440 (196391-6), BL1415 (194560-3), BL1815N (196781-3) 3. Not compatible with G series batteries, such as for BL1813G (196663-9), BL1413G (196882-7), BL1415G, BL1430G, BL1815G, etc. 4. Not compatible with 18V Ni CD batteries, such as 1822 (194465-7). Package List: 1 x Small Space Heater Note: Without battery.