Adopt TEC1-12706 semiconductor chilling plate, for use.Complete sealed structure, isolating the moisture in the air.Higher reliability than others. and mini in size, easy to install.Great DIY kit for electronic enthusiasts in semiconductor cooling applications. new and high quality.Name:Thermoelectric Peltier Module KitCondition: NewSemiconductor Chilling Plate: TEC1-12706Size: 40 x 40 x 3.75mmInternal Resistance: 2.1~2.4 ohmMax. Temperature Difference: 67C AboveRated Voltage: 12V(Vmax. 15V, Starting Current 5.8A)Working Current: .=4~4.6A(Rated 12V)Refrigeration Power: Max. 50~60WWorking Environment: -55~83CSealing Process: Standard 704 silicon rubber sealing all sidesFan: DC 12VConduction Module Size: 60 x 45 x 21mmWater Block Size: 40 x 40 x 12mmFan Size: 40 x 40 x 10mmNotes:The conduction cool module can frost when the temperature is under -25C.TEC1-12706: one side with words is the refrigeration side, the other side is heat dissipation side.Must install heat sink or water-cooled radiator on the heat dissipation side; otherwise will burn the Peltier.The DC power is not included in this kit, please prepare it by yourself.Colour:As ShownMaterial:plastic+MetalPackage Contents:1 x Conduction Module1 x Water Block1 x TEC1-127061 x Thermal Grease1 x Fan1 x Base Board1 Pack x ScrewsOnly the above package content, other products are not included.Note: Light reflection 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.