Window Vacuum Cleaner - voltage: 3.7V, suction vacuum: 1.3kPa, battery 2000mAh Li-Ion, wiper blade width: 28cm, operating time: 30 min, charging time: 2.5h, instrument weight: 455g, 50ml dirty water tank, spray bottle with microfibre cloth: 280ml, wash area one charge: 80m2, extension rod up to 65cm