Features of this screen clicker include its high sensitivity, high speed, 199 gears, easy installation, no noise, no harm to screen and no mis-touch. You can install this screen clicker for any types of phone and it is very useful to help you to clip the screen at very high speed. It is constructed of abs material. Size of this product is 9.6cm, 6.3cm, 1.9cm. It is suitable for any type of phones. Item Name: Adapter Material: ABS Charging Interface: USB Battery Capacity: 250 mAh Size Details: Size: 9.6cm x 6.3cm x 1.9cm/3.8" x 2.48" x 0.75"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: A: 1 x Mainframe (One Head) or B: 1 x Mainframe (Two Heads) or C: 1 x Mainframe (Three Heads)