Specifications:

• Total Travel Distance: 4 + 0.5mm
• Programmable Keys: All keys can be programmable
• Multi - Level Programming: ming: support max 3 levels
• Model Number: KB21U
• Memory: All programmed data are stored in EEPROM, without battery
• LED Indicator: Number lock,Layer and buzzer
• Keyboard Standard: 21 KEYS
• Key Switch Mechanism: Electrostatic Capacity Key Switch with over 30 million life cycle time
• Interface / Power: USB / +5VDC + 10% / < 200mA
• Electronics Lock: 3 section of electronic locks for different level users
• Cable: USB cable stored on the back