... LCD,backlight 3.Battery rechargeable 4.CE Model: din rail program weekly timer switch The working voltage can ... Control Range: 1min~168h Timing error <±2s/dayOperating temperature: -20°C~+50°C Relative Humidity: <95%Dimension ... can lastly work 30days without powerMountingDIN Rail,WallDIN Rail,WallDIN Rail,WallDIN Rail,WallDIN Rail,WallDIN Rail,WallDisplayback lightback lightback lightback lightback ...