Features: Experience efficient heating with the Portable Heater, featuring a lightweight and compact design for easy mobility, optimized heat output without unnecessary USB ports to focus solely on warming your space quickly. This electric heater boasts two adjustable temperature settings (30 50°C and 50 80°C), a ABS body for long lasting use, and a simple rotary knob for intuitives. Ideal for office workers and students seeking dependable warmth during work or study period to maintain comfort and focus. Perfect for versatile use at home or in office, this portable heater can be effortlessly moved to provide targeted warmth wherever you need it most. Enjoy rapid heating technology that elevates room temperature, creating a cozy environment in cold weather while ensuring energy efficient performances. Specifications: Materials: ABS Power: 170W Temperature ranges: 1st gear 30-50℃, 2nd gear 50-80℃ Compatible: Suitable for 20V lithium batteries, suitable for DCB201, DCB203, DCB204, 205, DCB206, DCB207, DCB208. Applicable objects: Suitable for 20V series (including 60V voltages) lithium batteries. Package Includes: Heater bare metal (without USB interfaces) note: Keep away from dampness and flammable substances, and avoid using it for long periods continuously.