Cost lowering through nitrogen(N2)gas replacement and combination N2 with other substance 2. Clearndicated ,Convenient display Temperture(left/green)Humidity(right/red) 3. Door frame covered with magnet rubber keeps reliable air-tightness. 4. Tempered glass window.lock-key handle 5. Humidity controller maintains atable constant humidity 6. Power disribution lamp and in operation lamp 7. Sturdy and durable shelf (tolerance:100kg/per)is movable up and dowm. 8. Most economical,Running cost is electricity alone. 9. Operation in normal temperature ,noiseless ,tremor free ,long life. 10. Special desiccant is DRY-UNIT is semi-permanent Model FCM240(A) FCD240(A) FCDE240(A) Humidity Range 20-60%RH 10-50%RH 1-10%RH Outer Size W600*D400*H1250MM Inner Size W588*D370*H1150MM Material&finishing Cabinet=high quanlity steel plate Hardcoated resin paint Door=Glass window Powerful magnet rubber seal maintain high airtighting Max Capacity 240Liter Power Comsumption(w/h) 0.5-47W/H(MAX370W) (AC 220V) Power Source AC110-115V(50/60HZ)or AC220-240V(50/60HZ) (Accessories) Removal shelf 3(material:steel or stainess) Door Key 1 Hygrometer 1 Caster 4