model:TEC1-12701,12702,......12709 size(mm):15*15,20*20,.....50*50,55*55 welding temp:125-200C deliverability:100,000/month Products features:Thermal electric module, is also called thermoelectric cooling module, electric cooling or heat pump.Advantage:1. Runs no mechanically, so no noise, no vibration, no wear2. Long working life and strong reliability3. Small size, light weight, fast cooling4. ...