... 1".5 low voltage: "" symbol appears.6. Operating environment: 0 to 40 °C, relative humidity <75% RH.Storage environment: -10 ... 1".5 low voltage: "" symbol appears.6. Operating environment: 0 to 40 °C, relative humidity <75% RH.Storage environment: -10 ... , manual, jacket, warranty card, battery (built-in Digital Multimeter DT-9205A universal table full scale protection automatically shut down with beep