• Frequency: 2.4GHz
• Chipset: RF plus 2421 + sensor A7530
• With mini usb receiver
• Lower power alarm with LED light
• Built-in memorize, no need re-set code when you change new battery
• Power: 5V, 10mA (maximum), 2AAA batteries
• 800dpi high resolution
• Operating coverage: 10 meters
• Working on any surface except glass and mirror
• Compatible with Microsoft's Windows 7/2000/XP/Vista/9X/Me/NT4.0

OEM/ODM,Customized Logos/Designs are Welcome