ITEM NAME:1pcs Waterproof Temperature Sensor Temp Probe Thermistor NTC 10K B3950 1m JCJC&j Features NTC (10K ±1%) waterproof sensor Sensor size: 25.5*5mm Test temperature range: -40 ℃ to 300 ℃. Optional length: 1 meters Accuracy ±1% Package included: Temperature Sensor x 3.NTC (10K ±1%) waterproof sensor. Temperature Sensor x 3. Sensor size: 25.5 5mm. Test temperature range: -40 ℃ to 300 ℃.