1、19-key Wireless Numeric Keypad - Helps you input numbers more conveniently and more directly. 2、Thousands Key - The built-in thousands key makes it possible to input a four-digit number directly. 3、Comfortable Touch Feeling - Suspension keys give you a comfortable touch feeling. 4、For Touch-typing - A great numeric keypad for touch-typing. 5、Waterproof - The crater design effectively prevents water entering. This wireless numeric keypad helps simplify the input work of large amounts of data to make the data input more relaxed. Thousands key allows you to input a four-digit number at once. Furthermore, suspension keys give a super comfortable and power-saving typing experience. Features: 19-key Wireless Numeric Keypad - Helps you input numbers more conveniently and more directly. Thousands Key - The built-in thousands key makes it possible to input a four-digit number directly. Comfortable Touch Feeling - Suspension keys give you a comfortable touch feeling. For Touch-typing - A great numeric keypad for touch-typing. Long Work Time - A large capacity AAA battery enabels it to work for a super long time. Waterproof - The crater design effectively prevents water entering. Portable - Mini size and light weight allow it to be carried to everywhere. Specifications: Product type: Wireless Numeric Keypad Connection: 2.4GHz USB receiver Keys number: 19 keys Thousand key: Support Waterproof: Support Wireless connection distance: 10m Key life: 10 million clicks Battery: 1 * AAA battery( not included) Suitable: For touch-typing Package size: approx. 14.7 * 11.6 * 3.8 cm/ 5.8 * 4.6 * 1.5 in Package weight: 134g/ 4.7oz Package List: 1 * Wireless Numeric Keypad 1 * User Manual 1 * Receiver