Features • Comprehensive Accessory Set: Includes 1 cartridge heater and 1 thermistor sensor, providing everything needed for an efficient upgrade to your 3D printer experience • High-Performance Heating: The 24V 40W cartridge heater ensures consistent heat with a cable length of 90mm, enhancing your printer's performance and reliability • Advanced Temperature Control: Features an NTC100K B3950 thermistor capable of reaching up to 300℃, ensuring long-lasting and stable operation for demanding printing tasks • Perfect Compatibility: Designed to suit the Ender 3 S1 Pro 3D printer, ensuring a seamless fit; just check the length and terminal for perfect installation • User-Friendly Installation: Lightweight and compact design allows for quick and easy setup, getting your 3D printer back to work in no time Features: 1、2pcs in All: Including 1pc heater cartridge and 1pc thermistor temperature sensor for upgrading your 3D printer. 2、Good Heater: The 24V 40W cartridge heater with XH2.54 2P terminal, and the cable length with terminal is about 90mm. 3、Thermistor: NTC100K B3950 thermistor, upgraded can get up to 300℃ for long time working, efficient and reliable. 4、Great Match: Suits perfectly for Ender 3 S1 Pro 3D printer, but please pay attention to the length and terminal. 5、Easy to Install: Light in weight and compact in size as well, the convenient installation can be quickly completed. Specification: Item Type: Cartridge Heater Applicable Models: For Ender 3 S1 Pro Thermistor Head Material: Stainless Steel Thermistor Head Size: Approx. 3 x 5.8mm / 0.12 x 0.23in ThermistorLength: Approx. 51mm / 2.01in Cartridge Heater Power: 24V, 40W Cartridge Heater Diameter: Approx. 6mm / 0.24in Cartridge Heater Length: Approx. 20mm / 0.79in Terminal: XH2.54 2P Cartridge Heater Length: Approx. 73mm / 2.87in Package List: 1 x Cartridge Heater 1 x Thermistor Package List 1 x Cartridge Heater 1 x Thermistor