Remote control of air conditioning and heat pump. Applicable to Beko and YKR-C/01E remote controls. Applicable to Oaks KT-AX3, KT-AX1, KT-AX4 air conditioner remote controls. Air conditioner remote controls are generally compatible with multiple brands. Check that the shape and keyboard are the same as the product you are replacing. Plug and play, no programming required. Not universal so it is not suitable for all models. It can only replace the same remote control. The product does not include batteries. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.