N.H. Rev. Stat. Ann. § 259:28-b

"Enhanced technology ignition interlock device" shall mean an ignition interlock device equipped with a camera and which will transmit data as events occur and is capable of capturing and encoding as events occur a digital or photographic image of the vehicle driver including the time, date, and breath alcohol level of all breath attempts. Images and data shall be stored by the manufacturer for 3 years.