1Adopts of PTC ceramic heating element and aluminum tube, low thermal resistance, high heat transfer efficiency. 2This product is a electric heater with automatic constant temperature and energy saving. 3This PTC ceramic air heater has the characteristic of surface insulation and high security. 4Mainly used in small instruments, small box space environment temperature heating. 5Application: air conditioner, electric heater, instrument, general appliance, air curtain machine, humidifier, etc.Features: Adopts of PTC ceramic heating element and aluminum tube, low thermal resistance, high heat transfer efficiency.This product is a electric heater with automatic constant temperature and energy saving.This PTC ceramic air heater has the characteristic of surface insulation and high security.Mainly used in small instruments, small box space environment temperature heating.Application: air conditioner, electric heater, instrument, general appliance, air curtain machine, humidifier, etc. Specification: Material: Aluminum & Plastic Weight: 238g/8.4oz Heating material: PTC thermistor Heating mode: heat through the flow of air Power: 750W Voltage: 110V (the bare line is connected, regardless of the positive and negative pole, the rated voltage can be) Mounting Hole Distance: 120*68mm (mounting hole: 8*4mm waist hole) Corrugation Length: 96mm Size: 140*76.5*26mm/5.5*3*1inch Package List: 1 x PTC Ceramic Air Heater Note: 1.Lead color is random. 2.With 160 degrees normally closed temperature control protector, the heater should not be dry-dried.