Power2000 EP-5A AC Adapter & DC Coupler Kit for Nikon Cameras that use an EN-EL14 Battery for D3100, D3200, D5100, D5200, Coolpix P7000, P7100 & P7700 Provides Unlimited Run-Time Power Routed Directly To Battery Run Camera Equipment From Any Household Outlet Perfect for Studio Use and Security Camera Applications Excellent for Time-Lapse Photography or Long Exposure Shots