Features MADE OF HIGH-QUALITY MATERIALS ：Adopts of PTC ceramic heating elements and aluminum tube, low thermal resistance, high heat transfer efficiency. PRODUCT SURFACE INSULATION：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. PTC CERAMIC AIR HEATER PARAMETERS ：Mounting Hole Distance: 120*68mm (mounting hole: 8*4mm waist hole)；Corrugation Length: 96mm；Mainly used in small instruments, small box space environment temperature heating. WIDE APPLICATION SCENARIOS ：air conditioner, electric heater, instrument, general appliance, air curtain machine, humidifier, etc. PERFECT AFTER-SALES SERVICE：If you are not satisfied with our products, or encounter any problems during use, you can click the "Contact Seller" button to send us an email, and we will solve your problem within 24 hours to your 100% satisfaction 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.  Features: Adopts of PTC ceramic heating elements 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. Package List