ITEM NAME:CR2032 2 Button Cell Battery Holders, with On / Off Switch Switch, Black, 3 G4D9 CR2032 2 Button Cell Battery Holders, with On / Off Switch Switch, Black, 3 G4D9 Product Name: Button Cell Holder Suitable for battery model: CR2032 (not included) Number of batteries available: 2 Dimensions (length x width): 51 x 23 mm Inside diameter: 20mm Color: Black Material: plastic, metal Number of cables: 2 (1 for each "+" / "-") Length of the cable: 10cm Weight: 15g Package Content: 3 x Battery Holders Only the above package content, other products are not included. 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.