Features: Experience enhancing cooling efficiency with the thermoelectric coolers, featuring double semiconductor layers for superior performances in various cooling applications. Its 30x30mm design ensures easy installation in space constrained devices and projects, making it for diverse setups. Ideal for engineers and researcher focused on thermal management, as well as enthusiasts looking to create custom cooling solution. Perfect for use in electronic devices, systems, and sensors, this coolers meets the demands of industrial and laboratory environments requiring precise temperature control. With its energy efficient design and rapid cooling capability, the thermoelectric coolers is excellent component for enhancing the performances of small refrigeration units and electronic heat dissipation systems. Specifications: Component: Semiconductor Size: Approx. 1.18x1.18inch(30x30mm) Package Includes: 1x Thermoelectric Coolers note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.