Yes. Click here to download firmware update.
The EPIC is rated to work as low as 14° Ferenheit. For optimum battery life in extreme conditions it is recommended to use Energizer Ultimate Lithium batteries.
About 1 hour using standard alkaline batteries. 4 hours, using Energizer Ultimate Lithium Batteries.
No the EPIC is intended for outdoor use during daylight hours. The EPIC will record at night but the footage will come out too dark and grainy.