LIUMY Skin Care Moisture Analyzer Digital Skin Sensor Tester Pen, UV Analyzer with LCD Display for Beauty, Salon, Spa, Home, Traveling (Battery Included) Review

Technical ParametersMeasurement shows: 3-digit LCD digital displayOperating temperature: -10-40 ° C (14-104 ° F)Storage temperature: 0 - 30 ℃ (32 - 86 ° F)Operating humidity: 0-80% RH (relative humidity)Storage humidity: 20% --- 80% RH (relative humidity)Moisture measurement range: 30-65%Water measurement error: 1%UV effective measurement band:320-400nmUV...