The Alerton MS4-TH Ascent Microset is a white, plastic temperature and humidity sensor designed for use with the VAV-550 model. It operates on a 24v power source and has a compact size with a diameter of 1.243 inches and dimensions of 4.536 inches in length, 3.040 inches in width, and 1.243 inches in diameter. With a weight of 1 lb, this sensor is compatible with other ALERTON products and provides accurate readings for HVAC and refrigeration systems. The Alerton MS4-TH is a reliable and efficient choice for monitoring temperature and humidity levels in various industrial and commercial applications.new inclue lo Que puede observar enlas fotos referente al articulo i sus manuales de coneccion