Manhattan 178846 Numeric Wireless Keypad

• 18 full-size keys including backspace key;• 2.4GHz RF technology offers wireless freedom with effective range up to 33ft with USB micro receiver;• Asynchronous number lock function operates independently of computer keypad for faster numeric data entry;• Auto power management, hibernation mode, helps maintain proper battery levels;• Membrane key switches reduce typing noise, improve response & provide low-profile keystrokes ;• Ultraslim & lightweight--ideal for notebook computer users;• Ergonomic design provides support for comfortable use & avoidance of wrist strain;• Full-sized, low-profile keys are easy to identify;• Plug & play--no drivers or installation required;• 3-year warranty;• Includes one AAA battery;