The V0STAT51P-3 is a wired touch screen programmable local controller for VRF Heat Recovery and Heat Pump indoor units with convenient timed schedules for daily operation. The VRF Programmable Controller provides industry-best controls capabilities in a modern, easy-to-use user interface. Control 1 to 16 VRF indoor units through a single controller, with full schedule and holiday programming features for maximum efficiency and comfort control. Built-in Occupancy and Humidity Sensors - Programmable Controllers come with occupancy and humidity sensors built in for maximum zone comfort control. Auto-Detect Indoor Unit - The Programmable Controller can auto-detect the indoor unit model and capacity connected to it for faster installation. Versatility - Connect and control up to 16 indoor units from a single controller Full color touchscreen display 3 customizable themes to choose from : Dark, Light, and Colorful Dimensions (Length x Width): 9.4 x 7.5 in.