【ANTI TIP-OVER SWITCH & OVERHEAT PROTECTION】Tilt switch at the bottom, disconnected when tilted to prevent danger when accidentally tipping over the heater. When the temperature reaches 75°C, the power is automatically turned off and the temperature is automatically controlled. 【2S FAST HEAT UP】Our ceramic heaters use PTC heating elements for fast heating. The innovative ceramic heating technology saves saving 30% of electricity. Warm air in 2S. Providing safer and more efficient heating than traditional fan heaters. 【3 TEMPERATURE MODES】The fan heater has two heating modes (750W/1500W) and one cool mode (5W), which is suitable for all seasons. 2s quick heating promises you a warm winter.