Note: The color of the product we ship is the color in the first picture, and the specification and quantity are shipped according to the quantity and specification described in the title. If you need to change the color or style, you need to contact us within 12 hours after placing the order. Our product description: Product Features: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information;2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.It can work continuously without any refrigerant, and it is easy to install.4.No pollution, vibration, noise and rotating parts, will not produce a rotaryeffect.5.Suitable for small scale of radiating and cooling area.6.Do not power the cooler for long time without radiator, otherwise it will be burned down because of overheatSpecifications:Chip Model: TEC1-19906Rated voltage: DC24VCooling power: 120WDimensions:40x40x4.2MM component(199 pairs)Wire size:Lead length 200 5mm RV Standard wire Single head 5mm tinnedMaximum temperature difference:Tmax(Qc=0)67 degrees or more.Operating current:Imax = 6AAssembly pressure:85N/cm2Working environment:temperature range -55 to 83 degrees(too high ambient temperature will directly affect the cooling efficiency)Packaging technology:around the standard 704 silicone rubber sealPackaging standards:foam box packaging, storage conditions Ambient temperature -10 to 40 degreesStorage conditions: -40 to 60 degreesProduct material:SemiconductorColor:WhiteBrand name: BQLZRSize:4x4x0.42cm/1.57x1.57x0.17InchWeight:35 gNote: connected to the 12-volt power supply cooling film on both sides of the temperature will appear, side of the cold, hot side, do not in the absence of radiator for the case of long hours of electricity, otherwise it will cause the inside of the refrigerator overheating burn.Package include:1 x TEC1-19906 Thermoelectric Peltier Cooler Note: Because the model and display effect of the monitor may be different, there may be slight differences in color, and the size is manually measured, there may be an error of 1-2cm, please understand.