ITEM NAME:Heatsink Thermoelectric Cooler Cooling Peltier Plate Module TEC1-12715 12V AXM Descriptio n Description: Power Supply Requirements: Single Voltage 12V, Current 15A Above The Working Power Supply (Can Be Used In Series And Parallel) Device Characteristics: Red Line Positive Electrode, Black Line Negative Electrode (Some Literal Is The Cooling Surface, No Literal Is The Heat Dissipation Surface) Specifications: Model: Tec1-12715 Overall Dimension: 40*40*3.2mm Wire Specification: Lead Length 200Â ±8mm RV Standard Wire Single Head 5mm Tin Plating Internal Resistance Value: 0.8 ~ 0.9 ÃŽ © (23 + / - 1 ℃, Environment Temperature 1 KHZ Ac Test) Large Temperature Difference: Above 62℃ Operating Current: Imax= 11.8a (High Voltage: 15.5v Starting Time: 15A) Rated Voltage: DC12V (Large Voltage: 15.5v) Cooling Power: 142W (Excessive Cooling Surface Temperature Will Reduce The Cooling Power) Assembly Pressure: 85N/Cm2 Working Environment: Temperature Range: -55℃ ~ 83℃ (Excessive Ambient Temperature Will Directly Affect The Refrigeration Efficiency) Packaging Process: Standard 704 Silicone Rubber Seal Packaging Standard: Foam Box Packaging, Storage.Refrigeration Piece. Wire Specification: Lead Length 200Â ±8mm RV Standard Wire Single Head 5mm Tin Plating. Cooling Power: 142W (Excessive Cooling Surface Temperature Will Reduce The Cooling Power). We want to make sure you are happy with our item.