Check the listing for details. 10pcs PT100 Waterproof Sensor Probe For Temperature Controller 4x30mmx50cm Probe. Color: As the description shows, Condition: New. Listed at 11.99 USD. Feature:1. PT100 resister waterproof temperature sensor temp probes 2. High measuring accuracy, stable performance 3. External insulated shielding and internal fiberglass insulation 4. Wide temperature range from -20℃ to 250℃ 5. Small structure, wide use, good reliability and short thermal response time Specification: Description: thermal resistance is a kind of accurate, sensitive and stable temperature sensor. The temperature sensing can be quite small so it can be made into all kinds of micro temperature sensor probe. Features: PT100 resister waterproof temperature sensor temp probes. High measuring accuracy, stable performance. External insulated shielding and internal fiberglass insulation. Wide temperature range from -20℃ to 250℃. Small structure, wide use, good reliability and short thermal response time. Specifications: Type: thermal resistance waterproof Temperature Range: -20~250℃ Sensor Size: 4 x 30mm / 0.15 x 0.18" Cable Length: About 50cm / 19.68" External Shielding: Insulated shielding Internal Insulation: Fiberglass Quantity: 10pcs Weight: 37g(approx.) Package Includes: 10pcs x Sensor Probes Note: 1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.