The Hexa Striker Robot Plus vacuum with new and improved Lithium ion battery. This 11.1V robot vacuum revolutionizes the way you look at cleaning forever. It has 3 sensors to avoid tip over and is designed to reach every corner of the house. It has an operation light indicator and 2 side brushes to ensure not a spot of dirt will escape this futuristic cleaner. It has an Anti-scratch protective band and large capacity dirt tank, yet is very easy to clean. Suitable for hardfloors only.