Features:

• For 9v Batterry
• Power Connector: 2.1mm Suitable for Arduino

These Battery Holder are suitable for 9 Volt Batteries.They allow you to shut off power for Arduino without having to pull the barrel plug out each time. They have an easy to remove sliding cover with a hole for a screw to lock the cover down. Screw is included. The removable battery cover is on the opposite side of the unit than the ON/OFF switch.

Package includes:
1 x DC9V Battery Holder with Switch+Cover+Power Jack for Arduino