The machine is fitted with a rotatable roller brush head with KART technology (Kärcher Advanced Response Technology), making it perfect for tight corners and cleaning in reverse if necessary. The new lithium-ion battery has a prolonged running time, making it 3 times more durable than normal lead batteries. It is completely maintenance-free and quick to recharge. The machine’s lightweight design helps you to negotiate steps and facilitates transportation. The eco!efficiency mode reduces energy consumption, increases the running time and lowers the volume by around 40%.