1. A probe by new original installation import DS18B20 temperature sensor chip.
2. Chip each pin use heat shrinkable tube to prevent short circuit, internal sealing glue, waterproof, moistureproof.
3. Stainless steel tube encapsulation waterproof moistureproof prevent rust.
4. Stainless steel shell (6 * 45 mm), lead length 100 cm (shielding wire) use stability.
5. Without the external components, the unique single bus;