The TEC1-12707 is a thermoelectric cooler module, commonly used for cooling electronic components and instruments. It features a high thermal conductivity and is constructed with a copper base and aluminum fins. The module also features a Peltier element and a cooling fan to optimize performance. It has a maximum current rating of 12A and a maximum power dissipation of 48W. The TEC1-12707 is capable of cooling up to -40C below ambient temperatures and it is a reliable and efficient solution for cooling projects.