ERS-220 The ERS-220 had a more futuristic design based on a space exploration robot concept by Shoji Kawamori. It had a chrome finish with headlights and colored LEDs. Between 5,000 and 7,000 units were sold, priced at 180,000 yen. Remote operation was possible through an optional wireless local area network. Specifications: height 29.6 cm, 1.5 kg weight, 1.5 hours (default) continuous operation time, 2.5 hours or more operation with a re-celled battery, 16 degrees of freedom (drive unit).
ERS-220 The ERS-220 had a more futuristic design based on a space exploration robot concept by Shoji Kawamori. It had a chrome finish with headlights and colored LEDs. Between 5,000 and 7,000 units were sold, priced at 180,000 yen. Remote operation was possible through an optional wireless local area networ:k. Specifications height 29.6 cm, 1.5 kg weight, 1.5 hours (default) continuous operation time, 2.5 hours or more operation with a re-celled battery, 16 degrees of freedom (drive unit).