Main control Digital PlD controller lemD. Rang© 20t to ioor /50 u to 1501 (Option) / 701 to 1 SOtlOolton) temp. Accuracy +/-0 St at 251 Humidity Rang© 3C to 98%RH Humidity Accuracy +/ 1% at 7016 Humidity Sensor Ceramic Electronic Device Humidity Evaporation by motor with SUS 31A Pipe heater Material (IN) Stainless deal. SUS 304 (OUT) Seol plate with powder coaling Door Silicon packing door Shelf 3 EA / adjustable type Cooling Device Hermetically sealed Compressor. Auto exchange Dual Evoporator Safety Device Over! Under Temp. Protector, Water level monitor. Power Breaker