1. FAST HEATING:space heater used the advanced PTC ceraming heating technology, more efficiently and fast with up to 400W working power,letting you feel fast, balmy heat straight away. 2. TIP-OVER & OVERHEAT PROTECTION small heater for indoor use quipped with a anti-tilt switch, the mini heaters will be switched off automatically when the heater tilts more than 45 degrees from the ground or the temperature of the heater is too high in the process of use. 3. Portable mini heater with build in carry handle easy to carry. tempreture of the desk heater equips with stable warmth for small areas. 4. WARM ANY ANGLE 45 wide-angle oscillation sweeps around to cover the whole area, providing wide-reaching heat for your office, desktop, bedroom, garage, basement, etc.