The SCW 3001YL 3.6 V lithium-ion battery ensures smooth operation with minimal weight. Using the battery provides maximum freedom of movement. Runtime: 20 minutes (50 windows). Leaves no stains or streaks. Saves time and effort. The transparent water tank has a capacity of 200 ml. The cleaning cloth is perfect for washing windows and glass surfaces. A practical cleaning spray with a "2-in-1" cleaning cloth allows for easier and faster window cleaning. Thanks to the intelligent spray, your hand does not need to come into contact with water. Works at various angles. Battery charge indicator. Ergonomic handle for comfortable use, suitable for both left and right-handed users. Low noise level. Up to 20 minutes of continuous operation. Technical specifications: Dimensions (L x W x H) 370 × 280 × 120 mm, battery charging time 4 hours, battery runtime 20 min, operation with suction nozzle 280 mm, dirty water container capacity 100 ml, spray container capacity 200 ml, weight with battery 770 g, frequency 50/60 Hz, voltage 100-240 V. Suitable for use on all smooth surfaces, windows, mirrors, shower cabins, tiles, and glass furniture.