... and door switch control,etc. Temperature Control BoxSeries of lighting Box Of TemperatUre Control[ LTD-106A] Applicable Scope ... refrigerator,freezer and congealer,etc. with functions of temperature control,illumination,timing,defrosting and door switch control, ... 240*150MM Temperature control range: Designed temperature range:-36~+15C Temperature regulate range:LED 2~3WON/OFF temperature difference:4~ ...