... 7.5-36VDCOutput Load: <500Ω (current), >2KΩ (voltage)Display: Large LCD screen digital display, optionalDisplay Accuracy: 0.1°C, 0.1 ... Temperature: -20~80°CHousing: ABS EnclosureProtection: IP30Optional LCD display: LCD display panel could be ordered and installed in field ... details on MMI product.Optional MMI operation panel: Including LCD, integrated with function keys, can be ordered and installed ...