Specification Binding : Electronics Brand : ERGUI Label : ERGUI Manufacturer : ERGUI Model : CS-VEL300SL NumberOfItems : 1 ProductGroup : CE ProductTypeName : BATTERY Publisher : ERGUI Size : 41.56 x 20.20 x 4.90mm SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/51v9tG53QlL._SL75_.jpg SmallImage_Width : 75 Studio : ERGUI Title : ERGUI 300mAh Battery Compatible with Vernier GDX-BAT-300 Go Direct Drop Counter, Go Direct Sensor, Go Direct Electrode Amplifier, Go Direct Energy Sensor