Description: 100% brand new and high quality. Feature: High quality material keyboard can be stable and durable for us to use. Support plug and play, splash-proof, waterproof and wear-resistant. Liquid silicone key, sensitive and comfortable to type. Curved surface key design, suitable for touches typing. Fit for Laptop PC, it is applicable for Windows XP/7/8/Vista. Numeric Keyboard only, other accessories demo in the picture is not included! Specifications: Item Type: Numeric Keyboard Material: ABS Size: 135x87x32mm/5.3x3.4x1.2in Color: Black Interface Type: USB Connection Mode: USB 2.4GHz wireless Transmission Distance: 10m/32.8ft Key Service Life: 5 million times Power Supply: 1xAAA battery 1.5V(Not Include) Applicable system: for Windows XP/7/8/Vista Quantity: 1 Pc Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls 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. Thank you! Package Includes: 1 x Numeric Keyboard 1 x User Manual