24V 200W PTC Heating Element Auto Constant Temperature Insulated Portable Ceramic Air Heater black.Feature: 1. 24V 200W PTC Heater: The operating voltage of the PTC air heating element is 24V, and the steady state power is 200W +/- 30percent , safe and efficient. 2. Multi Purpose: PTC electric heater element is suitable for heating objects and dehumidifying space, no open flame, no harmful gas. 3. Auto Constant Temp: Using ceramic constant temperature heating technology to continuously output he