OPTIONS:- 1. Water chiller. (external from cabinet) 2. Illumination. (fitted in outer door) CONTROL RANGE:- TEMPERATURE Ambient +10˚C to 99,9˚C RELATIVE HUMIDITY 60%RH to 98%RH CONTROL ACCURACY ±0,2˚C @ 37˚C ±2% RH AMBIENT @ 25˚C 40%RH