Our game trigger is compatible with all the shooting-games. The contact is highly sensitive and will not break. 6-finger linkage multiple sets of key combinations, complete functions, more convenient to use. Compared with similar products, our phone game trigger does not affect the vision, easy to play game. The button is made of zinc alloy for conduction and more sensitive induction. It is made of high-quality ABS and zinc alloy material. The length of this product is 5.35cm, the width is 3.4cm and the height is 3.3cm. This product is ideal for phone, mobile phone, cell phone and so on. Item Name: Phone Game Trigger Material: ABS, Zinc Alloy Features: Low Latency, Universal, High Sensitivity Size Details: L: 5.35cm/2.11", W: 3.4cm/1.34", H: 3.3cm/1.3" (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: 2 x Phone Game Triggers 1 x Data Cable 1 x Instruction Manual