• Displays frequency from 40 to 90 Hertz
• 3 levels of display brightness
• Splashproof front
• Manual sleep mode blanks display for power conservation
  
  Specifications:
  Meter: Frequency
  Function: 40 to 90Hz
  Display Character Size: 0.5625in (14.29 mm)
  Input Voltage: 80-249V
  Maximum Power Consumption: 1 Watt
  Sleep Mode: Manual
  Weight: 0.72lb (0.33 kg)