Speedlight External EP-N4 Battery Case Box for Canon
Color: Black - Material: Plastic casing - Retractable cable length: 58-200cm - Powered by 8 x AA batteries (not included) - Alkaline battery: guide number: 250/0.2-5S recycle time - Lithium battery: guide number: 700/0.2-7S recycle time - Ni-NH battery: guide number: 200/0.2-4S recycle time - Suitable for 580EXII/EX580/EX550/MR-14EX/MT-24EX - Can be installed on the tripod or the bottom of your camera