Specification Brand : AllinRC BulletPoint : U92C12MS7BA3-52 Z20 12V 0.10A 3-Wire Freezer Fan BulletPoint1 : Fits 1:8 Motors that has 42mm Diameter. Compatible with Traxxas Arrma 1/8 1/10 Scale Cars Models. BulletPoint2 : Comes with a 40mm temp sensing fan. The provided fan provided adequate cooling and was silent. More energy efficient, Save RC Car Battery, provide you more running time, more fun. BulletPoint3 : The thermal sensor will accurately detect rising temperature, when the motor is up to 45℃, the cooling fan will automatically turn on to cool the motor. BulletPoint4 : The RC cooling fan can be powered by the receiver, convenient and easy to use. BulletPoint5 : Principle of Heat Generation: When the thermal energy is discharged from the low temperature side through the thermoelectric power generation piece, part of the thermal energy flowing into the device does not exotherm, and becomes electric energy in the device, and outputs DC voltage and current Color : Black CompatibleDevices : Receiver, Gaming Console CoolingMethod : Temperature-controlled fan ExternallyAssignedProductIdentifier1 : 0724978207192 ExternallyAssignedProductIdentifier2 : 724978207192 IncludedComponents : The product is shown in the picture, no other accessories ItemName : AllinRC Aluminum Heat Sink Cooling Fan with Thermal Sensor Clamp Heatsink for 42mm Diameter Motors fit 4268 4274 Brushless Motor (Black) ItemPackageDimensions_Height : 7.493 centimeters ItemPackageDimensions_Length : 3.9116 centimeters ItemPackageDimensions_Width : 7.112 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : desktop-computer-heatsinks Manufacturer : AllinRC Material : Aluminum & Plastic Fans MaximumRotationalSpeed : 3000 rpm ModelNumber : U2A0137-140 NoiseLevel : 30 decibels NumberOfBoxes : 1 NumberOfItems : 1 PackageLevel : unit PartNumber : U2A0137-140 PhotoFilterEffectType : Enhancing PhotoFilterThreadSize : 280 millimeters ProductDescription : Quality Products ProductSiteLaunchDate : 2021-11-03T14:09:00.824Z SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 43201600 WaterResistanceLevel : not_water_resistant