ITEM NAME:1 Piece Best Quality For Arduino Large Button Switch Module Durable Descriptio n Description: Type: Digital mode Working voltage: DC5V Port: OUT means signal output, VCC means power positive, GND means power negative Size: Module is about 3 * 2 * 1.5cm, wire length is about 21.3cm Mounting hole diameter is about 0.4cm, and the pitch is about 1.5cm Specifications: Material: glass fiber + copper + plastic Color: as shown Package Included: Product List: 1 * arduino large button switch module 1 * 3PIN cable 1 * static bag packaging Note: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. 1 Piece Best Quality For Arduino Large Button Switch Module Durable.Size: Module is about 3 2 1.5cm, wire length is about 21.3cm. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted. 1 3PIN cable. We'd like to settle any problem in a friendly manner.