Remote pairing operation: First put the receiving parts that need to be paired into the waiting pairing state. Then press and hold the key on the remote 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 working parameters. If the code fails, it will not enter the normal display working parameter state. If the remote control code is not received after timeout, it will automatically exit the code matching state. Temperature control mode switching: When selecting the temperature control by remote control, you only need to press the up and down keys at the same time to switch to the automatic temperature control and display the temperature. If the temperature is manually controlled, the oil quantity is displayed. Adjustment of working status: The working state of the heater can be adjusted by remote control at any time. Methods as below: (1)Up adjustment key: increase the pump oil volume (manual temperature control mode), or increase the set temperature to increase the output temperature of the heater. (2)Down key: reduce the amount of pump oil (manual temperature control mode), or reduce the set temperature to reduce the output temperature of the heater. Two-way remote receiver description: 1.ON/OFF KEY: Long press on/off: 1)There is light under the switch key. If it is on, it means that it is on, and if it blinks, it means that there is a fault. 2)Startup: When the working voltage meets the conditions, press and hold the on / off button. 2.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 theoil circuit is exhausted, 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 at startup. 3.Remote pairing: In the power-on state, press the on / off key 5 times in succession, the indicator light flashes, and enter the remote control pairing waiting state. At the same time, press and hold the power button + set button on the remote control to start remote control pairing. Wait for the auto-complete pairing to exit. Product Name: Controller+Board Motherboard Whether battery is included: No (Need to buy 2 sessions 7th battery) Fitment: For 12V 24V 3-5KW Crude Oil Air Heater colour:Black Material:ABS plastic Package Contents: 1 x two-way remote control 1 x two-way remote control receiver 1 motherboard Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.