Specification:Coloring: BlackQuantity: 2pcsSubstantial: PlasticRemote Receiver Sizing: 5.1x3.5cm (LxH)Remote Controller Sizing: 8x3.3x1.7cm (LxWxH)Product Name: Car Diesel Air Heater ControllerFitment:For Car Diesel Air HeaterTwo-way removed control instructions:Distant pairing operation:First put the receiving parts that need to be paired into the wait pairing state.Then press and hold the key on the outside control and confirm the build at the same time, the remote control appears waiting for pairing interface.The remote control and switch enter the automatic pairing process. After the code is successfully matched, it will automatically exit the code pairing interface and display normal functional parameters.Temperature control mode switching:When selecting the temperature control method by remote control, you only need to press the up and down keys at the same time to switch to the automatonlike temperature control and display the temperature. If the temperature is manually controlled, the oil quantity is displayed.Adjustment of operative status:The working state of the heater can be adjusted by outside control at any time. Methods as below:Two-way distant receiver description:ON/OFF KEY: Foresightful press on/off:There is light under the switch key. If it is on, it substance that it is on, and if it blinks, it means that there is a fault.Startup: When the working voltage fulfil the conditions, press and hold the on / off button.Manual fueling:In the off state, press the on / off key 5 times continuously and quickly to start the manual pump oil. When all the air in the oil circuit is fatigued, press the ON / OFF button to stop the pump. This process requires someone to observe, to avoid excessive fuel entering the machine and causing black smoke at startup.Outside pairing:In the power-on state, press the on / off key 5 times in rapid succes