[Feature]Get ice cold in minutes or heat to boiling by simply reversing the polarity, used for numerous applications from CPU coolers to alternate power sources, or even for your own | [Advantage]Solid state, vibration free, noise-free; Long life time; Slim and compact | [Note]Semiconductor material is sandwiched between the ceramic plates have no moving parts,get cold in minutes or heat to boiling by simply reversing the polarity,these devices must be used in conjunction with a heat sink to avoid burned | [Used for]Thermoelectric cooler can be used in refrigerator,Portable cooling car box,Liquid Cooling,Temperature stabilizer etc | [Package] 1 x Thermoelectric Cooler Peltier; Model number: TES1-12704