ITEM NAME:New DS18b20 Silicone Wire Temperature Probe Waterproof 18b20 Temperature prob M! Description technical data: voltage range: 3.0 v to 5.5 v ~ temperature range: - 5. prefabricated hatches and +) sensor length: 50mm cable: 5mm completely waterproof accuracy: 0.5% red wire vcc package: 1 pc.(Temperature range: - 5. prefabricated hatches and +). red wire vcc. cable: 5mm. sensor length: 50mm.