This air heater circuit controller is ideal for those looking to upgrade their vehicle's climate control capabilities. It offers enhanced control over the heating and cooling systems, ensuring a comfortable ride. The main board is designed for durability and reliability, providing consistent performance in various conditions. Features -Color:Multi -Material:Plastic,metal -Size:10.50X5.80X3.00cm/4.13X2.28X1.18in -Precise regulation: ensures accurate control of the car air conditioning system for a comfortable environment -Variety of modes: includes multiple modes and temperature settings to suit different needs -Dependable quality: built with circuit boards and controllers for stable and reliable use -Effortless installation: easy and quick to install, providing convenience for users -Wide range compatibility: suitable for various car models and air conditioning systems, offering wideranging compatibility Package list: 2 x air conditioning mainboard controller