The RT640W - Is a passive insulated cooler box
The handle is fully retractable, same style as a suitcase
Passive = It relies on ice packs to keep cool, ie it doesn't have an active electric cooling system
Supplied with built in digital thermometer display.
Thermometer Range : -15.0 to +25.0°C
Thermometer Accuracy : +/-0.5°C from (-5) to +15°C
Thermometer Resolution : +/-0.1°C
Thermometer Display : Digital
Internal Dimensions: L36cm x W22cm x H30cm
External Dimensions (handle retracted): L46.5cm x W33cm x H42cm
Calibrated: Yes - Certificate of calibration supplied as standard and at no extra cost.
Colour coded food labels
Colour of box cannot be gauranteed
Calibration Certified at : 0°C, +5°C, +10°C