Description brand new and high quality Features: Strong plastic material ensures maximum strength and durability for long lasting usage. Helps you keep your batteries organized and protected. Easy to put the battery in the box. Metallic spring for easy install and convenient for electric circuit DIY work. Used as a perfect external power source. Widely used in the toy, lamp, and etc. 2 Slots are parallel circuits, and 3 Slots are series circuits. Battery for Case only, other accessories demo in the picture are not included Specification: Material: ABS Slot Type: 1 Slot, 2 Slots, 3 Slots Frequency: 50Hz Color: Black Dimension: 10.1x8.0x2.4cm/ 3.98x3.15x0.94in, 10.1x6.0x2.4cm/ 3.98x2.36x0.94in, 9.5x4.0x2.0cm/ 3.74x1.57x0.79in Quantity: 1 Pc Note: 1.No retail package. 2.Please allow 0-1cm error due to manual measurement. plz make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 x Battery for Case