Vello ShutterBoss II Timer Remote Switch for Sony Multi-Terminal For Sony Cameras | Wired Remote Controller | Power Off and Reset Options Set Timer Delays & Intervals | Set Number of Shots/Unlimited Shooting 4-Line Backlit LED Display | Take Photos without Camera Shake Great for Time-Lapse Recording | Powered by Two AAA Batteries In the box: 2 x AAA Alkaline Batteries, User's Manual, Limited 1-Year Manufacturer Warranty