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): 450 x 480 x 450mm External dimentions(WxDxH): 560 x 606 x 820mm Internal capacity: Approx. 97L No. of steps/pitch: 11 steps/30mm Shelf load capacity : Approx. 15 kg/pc Power supply: AC220V 50/60Hz single phase 2A (plug is not included) Weight: Approx. 45kg Accessories: Stainless shelf x 2, Shelf bracket x 4, Manual