The Fully Automatic R-134a RRR Machines, Nos. COMMANDER2100 and COMMANDER2100-E, from Mastercool, feature a 10" color touchscreen command center, 4" analog gauges, an on-board unit conversion calculator, a multi-colored LED status bar, and an automatic self-diagnostic check. The distiller and oil separator are designed for quick oil draining, while the advanced, four-point suspension scale platform helps to extend load cell life. An external hole on the side of the machine's access door allows users to view vacuum pump oil levels. Each machine is Wi-Fi capable and features multiple languages including English, Spanish, Chinese, and more. Additional features include an auto filter and full tank alarm, low refrigerant alarm, and cylinder heat.