Chip model: TEC1-12705Wire specification: lead length 100 +/- 5mm RV standard wire single head 5mm tin platedInternal resistance: 2.4~2.7 ohm (ambient temperature 23 +/- 1, 1kHZ Ac test)Maximum temperature difference: Tmax(Qc=0) above 61.Working current: =5 (when the rated voltage starts)Rated voltage: DC12V (Vmax: 15.5V)Cooling power: Qcmax 45WAssembly pressure: 85N/cm2Working environment: temperature range -55~83 (too high ambient temperature will directly affect the cooling efficiency)Encapsulation process: standard 704 silicone rubber seal all aroundColour: whiteMaterial: semiconductorSize: 40 x 40 x 3.8mmPackage Contents:1 x Thermoelectric Cooler PeltierOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.