Description100% brand new and high qualityCompletely immersible， water proofNo Sensor Wire requiredLCD DisplaySmall and compact sizeSimple operationTemperature measuring range: 0¡ãC ~ 50¡ãCAccuracy: ?¡ãCOperation Environment: -10¡ãC - 50¡ãCPower supply: Button Battery( DC1.5V)