Item Type: 3D Printer Heater Thermistor Set <br>Material: Stainless Steel <br>Thermal Head: Stainless steel Approx. 3 x 5.8mm / 0.12 x 0.23in <br>Length: Approx. 51mm / 2.01in <br>Applicable Model: For Ender 3 S1, Pro <br>Heating Rod: 24V, 40W <br>Head Size: Diameter Approx. 6 x 20mm / 0.24 x 0.79in <br>Terminal: XH2.54 2P, <br>Length: Approx. 73mm / 2.87in (white) <br>Applicable Model: For Ender 3 S1, Pro<br>1、PACKAGE INCLUDES: There is a heating rod and a thermistor temperature sensor for upgrading 3D printers. <br>2、HEATING ROD: 24V 40W box type heater with XH2.54 2P terminals, with a cable length of approximately 73mm with terminals. <br>3、THERMISTOR: NTC100K B3950 thermistor, upgraded to arrive 300 ℃, long term operation, high efficiency and reliability <br>4、PERFECT MATCH: Perfect for End 3 S1, Pro 3D printers, but please pay attention to length and termination. <br>5、EASY INSTALLATION: Lightweight, compact, this set of heating rod and thermistor is easy to install, and can be completed quickly.<p>1 x Thermistor&nbsp;&nbsp;</p><p>1 x Heating Rod&nbsp;&nbsp;</p>