Feature: RH range: 20%-60%RH Display: microcomputer LCD display Shelves: 3 Power consumption: av 16W Voltage: 110-220V Character: 1) Shape memorial alloy dehumidification method 2) High precision humidity sensor assure RH deviation to ±3%RH 3) 1.2mm BAO steel, bearing 150kg 4) Permanent Anti-static of body (optional) 5) Fireproof, noiseless, keeping dehumidification even if accidentally powered off 24hrs. 6) Intelligent computer reading temperature and humidity system. 7) Over 20years using life. Dehumidification core free maintenance within 3years 8) Suitable for storing: Anti-oxygen materials, Chip, IC, Semiconductor, Precision components and instruments, Military industry, Lens, Non-ferrous metal, BGA, SMT,SMD, Films, Wafers, Lab chemical and medicine etc.