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 500mm External dimentions(WxDxH): 710 x 656 x 870mm Internal capacity: Approx. 159L No. of steps/pitch: 13 steps/30mm Shelf load capacity : Approx. 15 kg/pc Power supply: AC220V 50/60Hz single phase 2A (plug is not included) Weight: Approx. 65kg Accessories: Stainless shelf x 2, Shelf bracket x 4, Manual