Helps electro-control boxes to keep optimal temp, humidity and cleanliness to prolong operating life, enhance work efficiency to build more business opportunities. Features: * Independent internal and external cooling to block moisture and dust from entry. * High heat-dissipation and cooling capacity to maximize energy efficiency. * LCD thermometer enables easy operation and maintenance for precise, constant temp control. * Malfunction detection warns of breakdown. * Specialized designer and builder; also made-to-order. * Suitable for electro-control boxes, electrical panels for machinery, instrument housings etc.