Package includes: 5Pcs Upgrade Ender 3 V2 Thermistor, 3D Printer 100k ohm NTC 3950 Thermistor Temp Sensor 1m/39.4 Inches; 3D Printer NTC 100K ohm 3950 Thermistor Sensors ; Recommended parameters for the thermistor: R25℃=100K B25/50=3950K± 1%; Connector : 2pin XH2.54. This 3D Printer ohm 100k ntc Thermistor Compatible for Ender 3 /Ender 3 Pro/Ender 3 V2/Ender 5/Ender 5 Plus/Voxelab Aquila/CR10/Elegoo Neptune 3, Direct replacement for Sovol SV1 bed thermistor, etc. They are Perfect for the 3d printer(Ender 3 V2/Ender 3 Pro/Ender 3 max), but the 1m wires are a bit short ; so you need had to cut the thermistor off and splice it in and tape the splices. Plug and play with Lerdge K board for DIY printer. Don't forget the tape and insulation pad. 3D Printer Thermistor 1m/39.4 inches Used for 3D Printer Heated Bed and the Extruder for 3D Printers. It fits the standard size of an Ender 3 hot end. size:1m Material: copper colour: white Package Contents: 5 x NTC thermistor Only 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.