Low TEMP Test & Keeping Medicine on Low TEMP ? Special Pair Glass without Dew ? Urethane Insulation ? Enforced AIR Circulation Type ? Drawer Type Shelve ? Digital PID Controller ? High Precision TEMP Controller(Unit 0.1?C) ? 3 Shelves(VS-1302MMR3) ? Safety Device for Over Heating & Cooling ? Monitering recorder for TEMP in Chamber ? KGMP, ISO9001, IS014001.IS013485 Certificate