uxcell Matrix Array 4x4 16 Keys Membrane Switch Keypad AVR PIC Product Name: Membrane Switch / Membrane Keypad Switch; Country of Manufacture: CHINA Material: Electric Parts; Net Weight: 9g Package Content: 1 x Membrane Switch; Brand: Assisi Main Color: Black, Red; Keypad Size: 78 x 69mm / 3.07" x 2.7"(L*W) Type: 4x4 16Keys