Product Name : Battery Case;Material : Plastic, Metal Body Size : 7.5 x 6.1 x 2cm/3" x 2.4" x 0.8"(L*W*H);Cable Length( Each ) : 15cm/6" Battery Type : 3 x 18650 11.1V;Color : Black Net Weight : 37g Package Content : 2 x Battery Case Holder This battery box holder with wire connector, fit for 3 x 18650 11.1V batteries. With spring clip design, you can easily to put the battery in it. Battery is not included here. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.