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 KeypadConnection: 2.4GHz USB receiverKeys number: 19 keysThousand key: SupportWaterproof: SupportWireless connection distance: 10mKey life: 10 million clicksBattery: 1 * AAA battery( not included)Suitable: For touch-typingPackage size: approx. 14.7 * 11.6 * 3.8 cm/ 5.8 * 4.6 * 1.5 inPackage weight: 134g/ 4.7ozPackage List:1 * Wireless Numeric Keypad1 * User Manual1 * Receiver.