Circulation method: Natural convection by air jacket Operating temp. range: RT+5~80℃ Temp. control accuracy: ±0.5℃(at37℃) Temp. distribution accuracy: ±1.0℃(at37℃) Internal dimentions(WxDxH): 600 x 530 x 1000mm External dimentions(WxDxH): 710 x 656 x 1619mm Internal capacity: Approx. 318L No. of steps/pitch: 29 steps/30mm Shelf load capacity : Approx. 15 kg/pc Power supply: AC220V 50/60Hz single phase 4A (plug is not included) Weight: Approx. 102kg Accessories: Stainless shelf x 4, Shelf bracket x 8, Manual