ZipIt Opener - Electric Blister Pack & Clam Shell Package Opener Blister pack/clamshell opener slices safely and cleanly through cumbersome packaging Heavy plastic exterior with razor-sharp steel roller blades and tinted plastic safety guard Simple one-touch finger trigger; compact design offers space-saving storage Operates on 2 AA batteries (not included) for cordless convenience and portability Measures approximately 8 by 4 by 8 inches; 60-day limited warranty