This numeric keyboard is made of durable, high-quality ABS material with water-resistant design. It features a built-in receiver storage compartment, plug-and-play functionality, stable signal transmission, and a working range of up to 10 meters. Lightweight and portable, it is compatible with desktop and laptop computers. Features: - Color: Black - Material: ABS - Dimensions: 140 × 85 × 30 mm - Water-resistant numeric keyboard - USB interface, plug-and-play - Built-in receiver storage, stable wireless signal, up to 10 meters operating range - Mechanical keys with medium actuation force, precise response, audible click sound, and tactile feedback - Ergonomically stepped keycaps for comfortable typing and reduced hand fatigue - Spring-assisted ergonomic design for wrist support - Compatible with Windows 2000, XP, Vista, 7, 8, and 10 Package includes: 3 × numeric keypads