With double walled construction, in between two walls sufficient glass wool insulation is provided, to minimize the heat loss. Heating is accomplished by the aid of the coil type heaters located at the base of the chamber. Supplied complete with adjustable trays made out of the similar material of the inner chamber. Thermostat for automatic control, indicating lamps, plug and cord for operation on 230 Volts 50c/s. AC mains. Temperature Range: 5 Deg.c. above ambient to 60 Deg. C. with +Â 0.5 Deg. C. Accuracy.