ITEM NAME:1PC Waterproof Temperature Sensor Temp Probe Thermistor NTC 10K B3950 1m 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 1.NTC (10K ±1%) waterproof sensor. Temperature Sensor x 1. Sensor size: 25.5 5mm. Test temperature range: -40 ℃ to 300 ℃.