CamRanger Wi-Fi Dongle Wireless Camera Remote Controller For Canon & Nikon DSLRs From iOS, Android, Mac & PC or Windows Computer, iPad, iPhone, iPod Touch and a FREE Universal iPad Tripod Mount with 1/4-20 Thread to Fit Any Standard Head Operates on a rechargable, replaceable battery (extra batteries available for purchase). Battery life varies upon usage but 5 to 6 hours is typical; however, in ideal scenarios over 11 hours can be achieved for intervalometer with no device (iPad, iPhone, iPod Touch, Android, or Mac or Windows computer) connected. Charges with and can be powered by provided USB charging cable and US AC adapter. Wireless network enables connections up to 150 feet. (Slow connections have been maintained at 300 feet) Wildlife & Outdoor Photography: Set It Up In The Yard, And Capture Wildlife Pictures From Indoors And Can Use in The Middle Of The Woods, No Internet Or Cell Connectivity Needed Includes Ethernet cable for firmware upgrades for future enhancements