The Silva ADC Summit has all of the same features as the ADC wind, which are:
Displays current, max and average wind speed Shows current temperature and a past 24hr temp history Wind Chill (current and min) Wind Chill alarm Real Time Clock with Alarm Time, Day and date Chronograph with 50 lap times Race Timer
The Silva ADC Summit also features:
Altitude (current, min and max), Altitude Alarm, Cumulative ascend/descend, Ski-run counter, Current barometric pressure (mbar, hPa or inHg) and a past 24-hour barometric history Weather forecast in 5 levels (Sunny, Partly Cloudy, Cloudy, Rain, Storm Warning), Data log memory (automatic and/or manual)