[Quick Installation] Equipped with detailed wiring instructions, the thermostat includes six color-coded wires, pre-treated wires, and simple connection instructions to simplify installation for fast and easy temperature control. [Intelligent Temperature Control] This RV thermostat operates RV ceiling assemblies and controls 115 VAC air conditioner circuits via 12 VDC relays. It is also compatible with 12 VDC RV furnace control circuits rated up to one amp. [Wide Compatibility] Compatible with Coleman RV air conditioners including Mach 15 Series, Mach 3 Plus Series, Mach 1 Power Saver Series, Mach III Power Saver Series, Mach 8 Polar Cub Series, Mach 8 Series, and Roughneck Series. Meets OEM fabrication standards. OEM Numbers: 7330G3351, 7330F3852. [Single-Stage Temperature Control] Supports single-stage heating and cooling functions, allowing control of cooling, heating, gas heaters, electric heaters, and fan operation to maintain comfortable interior temperatures. [Wiring Instructions]: Red: R (12V Positive) Yellow: Y (Cooling) White: W (Heating) Green: G (High Fan Speed) Gray: H (Low Fan Speed) Blue: B (12V Negative) Color: Black Material: ABS Package Contents: 1 x Heating/Cooling Control Unit