This small but powerful heater uses PTC technology for fast heat-up, making it ideal for bedrooms, offices, and other indoor spaces. Two-speed settings let you adjust heat output to match the room size and your comfort needs, while the digital display makes monitoring and adjusting settings straightforward. Overheating protection is built in for safe, reliable operation. PTC fast-heating element, two-speed settings, digital display, overheat protection, compact and portable, 800W output.