waterproof
easy to storage
various accessories for option

1. Waterproof,for cleaning bathroom,kitchen,ceiling and other places.
2. Can protect ground and porcelain.
3. Powerful,work time more than 30mins.
4. basic accessories:big round brush,big ball brush and cuspidal brush,adaptor
5. Charging time:5-6H for Linthium battery
Charging time:7-8H for NI-CD battery
6.Using time:40mins for Lithium battery