... 1.5mm Type of membrane switch: Connector Type:High-performance Membrane Keyboards 1.Beautiful appearance, rich ... . Tightness is good, moisture-proof, dust-proof, waterproof, anti-oil, anti-corrosion and erosion of harmful ... and alkali proof, quakeproof. 5. Low cost, high lifespan, membrane switches design and manufacture are using the ... shapes.Products show: membrane tactile keypad with LCD/LED window