According to Leica Geosystems, its new HDS6100 unit is an improved, ultra-high speed laser scanner for survey applications. The Leica HDS6100 features several upgrades over the earlier HDS6000 scanner being replaced. These include a 37% increase in the temperature range (now -10ºC to +45ºC), a battery life of 2.5 hours, an integrated wireless LAN (WLAN) scanner control option and reduced noise at ranges of 25-50m.