Product Name: Battery HolderMaterial: ABSNet Weight: 12gMain Color: BlackWire Length: 15cm/6 inchMounting Hole Diameter: 3mm/0.12 inchFit for: 1 x 1.5V AA Battery (Battery is not included here.)Dimension: 57 x 17 x 14mm/2.2 inch x 0.7 inch x 0.55 inch (L*W*T)lightweight, convenient to carry. Incorporates screw fixing holes.Perfect for Soldering /Connecting. Be used as a perfect external source.Battery is not included here Screws are not included here When the battery case is working, the maximum should be less than 2.5W, the working current should be less than 2APlease pay attention to your battery heat generation while using this product and do not use the poor quality battery.Package Contents:3 x Battery HolderOnly the above package content, other products are not included.Note: Light 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.