... USEFeatures:1)Humudity adjustable, energy saving design digital LED-Honeywell display and control, all the ... no condensation Dripping, absence of fan noise Dual digital hygrometer-Ecology Design Noisy free, vibration free, low humidity ... desiccant), very economical. No use of batteries for hygrometer. Long lasting and highly reliable. With detachable ... , shape-memory alloy and dual digital hygrometer)