... FeaturesStainless steel body, molded rubber handle, super durabilityNon-contacting readingCompletely water proofSabotage absorbent, resistant ... 5 cmBrilliant exterior design, easy operationReal time internal clockLow power consumption and long battery life ... GT04 PhysicalStainlesssteel body, molded rubber handle, super durabilityDimensions155XΦ27.5mmWorkingFrequency125KHzOperatingTemperature-45°to +85° ...