Warranty: 1 Year Features: Switch Life: 10 million keystrokes Switch Type: Membrane 104 standard keys USB interface Includes Rupee symbol key (ideal for business use) Technical Specifications: Power Consumption: Max 100 mA Cable Length: 1.5 m Operating Temperature: 0°C to 40°C Humidity: 20% to 80% Dimensions: 46.1 × 15.3 × 2.78 cm Weight: 0.56 kg OS Support: Windows Vista/7/8/8.1/10