Specification Brand : HoCenWay BulletPoint1 : Only used for 32bits motherboard like version 4.2.2, 4.2.7. Suitable for Ender 3/ Ender 3 V2/ Ender 3 pro / Ender 6 / CR-10S PRO/ CR-10 V2 V3/ENDER 3 MAX. But the installation bracket is only used for Ender 3 series, as Ender 6 and cr10s pro printer already have the sensor installation holes or bracket BulletPoint2 : Independent Modularized Design: it is redesigned with new inner structure. The outer cover is frosted, making it stylish and unique; Filament breakage detection device contains micro switch, using the principle of mechanical proximity switch, no friction, can ensure the smooth feeding of filaments. BulletPoint3 : Precise Detection: Blue LED indicates normal filament feed-in; Blue LED turns off when filament runs out. BulletPoint4 : IMPORTANT: For Ender 3 V2, Ender 3 and Ender 3 pro, you need to flash your motherboard's firmware before using, about the firmware download way, please check the following description or the instrument in the pack. as Ender 6 and CR10S PRO printer's firmware has been setted with filament detection function, so you can use them directly. BulletPoint5 : Package: 1 filament detector sensor, 1 extended cable, 1 installation bracket(This bracket is only used for Ender 3 / V2 / Pro, Filament detection bracket or holes already set up in the Ender 6 and CR10S PRO) Color : black|blue|grey ExternallyAssignedProductIdentifier1 : 791548328182 ExternallyAssignedProductIdentifier2 : 0791548328182 ItemName : Original Creality Ender 3 V2 Filament Runout Sensor Smart Filament Sensor Break Detection Module Detector for Ender 3 pro Ender 6 CR-10S PRO CR10 V2 V3 Ender3 Max 3D Printer ItemPackageDimensions_Height : 16.3068 centimeters ItemPackageDimensions_Length : 6.9088 centimeters ItemPackageDimensions_Width : 15.5956 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : 3d-printer-accessories Manufacturer : HoCenWay Material : Plastic ModelNumber : Ender 3 V2 Filament Runout Sensor NumberOfItems : 1 OperatingTemperature : 15 degrees_celsius PartNumber : Ender 3 V2 Filament Runout Sensor ProductSiteLaunchDate : 2021-07-21T09:50:23.988Z Style : Filament Detector UnspscCode : 44103100 Voltage : 3 volts