1、Efficient PTC Heating: Equipped with PTC heating technology, this portable heater ensures even and fast heating with low thermal resistance. It quickly heats up your space and maintains a constant temperature, providing energy saving warmth. 2、Built in Thermostat: The heater features an integrated thermostat control system. Once the desired temperature is reached, the machine automatically enters sleep mode. It will resume operation and preheat when the room temperature drops below the set temperature, preventing overheating and saving energy. 3、Quiet and Comfortable: This heater utilizes a silent, static convection heating design, providing warmth without any fan noise or dryness. It is perfect for light sleepers, delivering a cozy and peaceful environment. 4、LED Temperature Display: The built in LED display allows you to easily monitor and comprehend the indoor temperature. It provides clear and accurate temperature readings, ensuring optimal comfort in your living space. 5、Portable and Versatile: With its compact size, this mini heater is highly portable and can be easily moved and installed in various environments. Item Type: Portable Electric Heater Weight: 479g/16.9oz Material: ABS and PTC Power: 400W Gear: Two Maximum Time: 12 hours Set Temperature: 15℃-32℃ Remote Control Battery: button battery 1 x CR2025 200mAh (shipped with built in battery) 1 x Heater 1 x Remote Control