Feature:1. 2 Temperature Settings: Featuring two adjustable temperature ranges, the first from 30 to 50 and the second from 50 to 80, this space heater caters to a wide range of heating preferences2. Quiet Running: Designed to run silently, this battery powered space heater creates a comfortable heating ambiance without disturbing your work or rest, ensuring a serene experience3. Compact and Portable: With its compact design, this heater is effortlessly portable and can be conveniently carried and placed in various settings, suitable for workshops, factories, and other places4. Flexible Adjustment: Boasting a convenient 360 degree rotating head and 160 degree tilt adjustment, this heater can be positioned effortlessly in any room, offering versatile and targeted warmth5. Cordless Convenience: Suitable for areas such as office and dormitory, this cordless heater provides efficient heating while maintaining a quiet work, making it a practical choice for small spacesSpecification:Item Type: Space HeaterProduct Material: ABS (Positive Temperature Coefficient Heating)Battery Type: 1 x Battery (not included, for BL1830 BL1850 BL1840 BL1845 BL1815 BL1820 BL1860B Series).Package List:1 x Space Heater