... heat/cool 5.SafetyApproved:RoHS FF-Peltier--Thermoelectric Cooler Air to AirFeatures:1, Using semiconductor electronic cooling, small volume, ... Using no pollution material, compliance RoHS4, Free mounting, applicable to a variety of places.5, Working ambient temperature: -10C~+ ... read the specification and other accessories carefully. if you want to know more information about any each kind of the ...