Features: Small and compact design, one hand operation, comfortable to hands to work; Large function button, light weight, easy to carry. New counter has built-in rechargeable battery , won'for t need replace the battery , don'for t have mechanical defects . It may use for 3 months on one charge. Easy to read, easy to use, Digit LCD screen display, 6 digit counts 0 to 999999. The for shell made of quality ABS witch have great arenaceous qualitative feeling . They come in 3 colors, green/red/white, treated can be made stain resistant . The silicone ring is adjustable , to wear more comfortable and easy to fall off . for Ideal use for any times when you need to count , such as statistics , sports , scoring , knitting , crocheting . Can be use in school , Laboratory , golf , casinos , bar , prayers , plane , bunco . Specifications: Material: ABS+Silica Gel Size: 3.4x3x1.7cm/1.3x1.2x0.7 inches Color: Green/Red/White Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Finger Counter( battery included)