Features: 250 Touch buttons in total, 25 values, 10 for each, enough to meet your daily need. Dimension include: 2x4.5x3.5mm, 5x5x0.8mm, 5x5x1.5mm, 3.5x6x4mm, 3.5x7x4mm, 3x6x2.5mm, 3x6x5mm, 4.5x4.5x5mm, 6x6x2.5mm, 6x6x3mm, 6x6x4mm, 6x6x5mm, 6x6x6.5mm, 6x6x8mm, 6x6x12mm, 12x12x4.5mm, 12x12x7mm, refer to pictures for specific dimension. The touch button is made of metal and plastics, which is durable and can be used for a long time. When the pressure is apply, the switchs start. When the pressure is released, the switchs closes, and the internal structure is forced to open and close by the metal spring. These button switches are widely used in television, audios equipment, video recorders, cameras, computers, game consoles, faxmachines, copiers, printers, car remote control, electronic toy, massage chairs. Take control of your device with our 250pcs Micro Momentary Tact Switchs Assortment Kit. Perfect for TVs, video recorders, and more. Specifications: Material: plastic+metal Package Includes: 250 pieces Push Button Switches note: Please allow 1 to 3cm error due to manual measurement, please 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.