PTC ceramics, fast heating up in 3 seconds, release even warmth, interruption-free. ● Intelligent thermostat PTC ceramic heater generates heat after the power is on, the fan will blow warm air and convection. The space will then be heated up evenly. ● Mini and tiny A compact exterior design, mini and tiny, easy to place, convenient and portable. ● ABS material Vo flame-retardant ABS material, flameproof in high temperature, safety assured.