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WV 2 + KV 4

For effortless window cleaning: the vibrating KV 4 cordless wiper, which dispenses water electrically and vibrates, removes the dirt – the WV 2 Window Vac removes the dirty water.

Order number: 1.633-340.0
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The WV 2 and KV 4 make a great team for clean windows and other smooth surfaces. First, the vibrating KV 4 cordless wiper removes dirt from surfaces effortlessly. Excess fluid can then be removed easily with the WV 2 Window Vac. The KV 4 dispenses water automatically and together with its vibration function dirt is removed easily – without any scrubbing. The Window Vac's electric water suction guarantees drip and streak-free surfaces. The new Kärcher Duo is not messy, but easy to use – and it saves you a lot of time and effort too.

Features and benefits
Lightweight and quiet
Exchangeable suction nozzle
LED display in field of view
Quick and easy-to-use tanks
Three times quicker
Vibration function
Electric water dispensation
Drip-free and streak-free results
Completely hygienic
Diverse applications

Technical data

Working width of suction nozzle (mm) 280
Dirty water tank capacity (ml) 100
Battery running time (min) 25
Battery charging time (min) 120
Battery type Lithium-ion battery
Cleaning performance per battery charge Approx. 75 m² = 25 windows
Current type (V/Hz) 100 - 240 / 50 - 60
Weight incl. battery (kg) 0,6
Weight without accessories (kg) 0,6
Weight incl. packaging (kg) 1,4
Dimensions (L × W × H) (mm) 120 x 280 x 320


  • Suction nozzle width, 280 mm
  • Battery charger
  • Window Cleaning Concentrate (1 x 20 ml)
  • Exchangeable suction nozzle
  • KV 4 vibrating cordless wiper
  • Wiping cloth, 1 x
Application areas
  • All smooth surfaces
  • Windows
  • Mirrors
  • Tiles
  • Glass tables
  • Shower cabins