Specifications: Temperature sensor 100KΩ accuracy of ± 1% Wiring length: 1 meter Package includes: 10 * 100K ohm NTC 3950 Thermistors with 1m Cable Works perfect once soldered on and pretty easy to repair. There are lots of online sites that provide code for using NTC thermistors like these to calculate temperature. The base resistance and "B" value that are required for this calculation -- 100 kOhm and 3950 -- are included in the description Sondes Et Détecteurs De Température Hiletgo 100k Thermistor Hiletgo 10pcs Impresora 3d 100k Ohm Ntc 3950 Sensores De Ter Hiletgo Thermistor Test Sonde De Temperature HiLetgo Lot de 10 capteurs thermistances pour imprimante 3D