On board electric heater, car air heater 12V24V300W heater, demisting and defrosting, double holes for leg and foot warming Material: metal Drive mode: independent Performance: single function type Control mode: fully automatic adjustment Size: 15 * 12 * 9CM Current: 10A Voltage: 12V 24V Power: 300W Applicable model: the voltage is consistent, suitable for any model Noise: low Rotating speed: medium Automobile brand: GM Type of auto air conditioner accessories: fan Type of automobile air conditioner: heating Do not open the internal circuit and private circuit, when installing, please connect firmly, when using the positive and negative poles do not mistake, in order to avoid burning out the fan, red line positive pole, black line negative pole, it is recommended to use copper wire, directly connected to the battery use, can not be used for a long time after quenching, in order to avoid the consumption of dry battery, affect the start-up.Vehicle electric heating defroster.Mini-car electric heating defroster. Fast heat, energy saving, low noise, small volume and large heat. Notes: It is strictly forbidden to open the internal circuit and change the circuit privately, and to block the air inlet and outlet.Do not touch metal products when using, in order to prevent high temperature scald. When installing, please link the positive and negative poles of the battery firmly.In order to prevent the road from breaking and short-circuiting caused by bad driving. This product is packaged in three packages.In case of malfunction, our factory provides spare parts and repair services. If problems occur within three months, we can replace the old machine with the new one. When usedDo not connect the positive and negative poles incorrectly, so as not to wind, red wire + positive, black wire connection - negative pole, connected with the reverse fan does not turn.Wind, anti-reverse connection. It is forbidden to use cigarette lighters in order to prevent damage to the circuit. It is recommended to use pure copper wires of more than 3 square meters.Connect directly to the battery or the generator on the car, and the starter will automatically supply power when it starts. ExtinguishCan not be used for a long time after fire, so as not to run out of battery power to affect the start-up Installation instructions: This product hasIt has small volume, safe and energy-saving, large heat, fast heating, low noise PTC energy-saving heating system, single air outlet.The mouth temperature can reach 80-100 degrees. The air outlet should be kept at a distance from the glass so as not to damage the glass. Available fromTapping nails can be fixed on the workbench, or side nails can be fixed in concealed places. It is not recommended to use fuses, so as not to use fuses.It affects the current and heat dissipation. When using for the first time, if smoke appears, don't worry, it's normal. buildIt is suggested to install the air duct made of gifted aluminium in order to avoid burning plastic products. NOTE: Check whether the fan is in service. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store