• RF-Technology : Reliable RF (Radio Frequency) digital wireless technology with wide range 2.4 Ghz
• Cordless Comfort : By wireless RF technology, avoids cables clutter
• Innovation 256 user ID codes : No problem with other radio frequency interference
• Long operational range : Can work within 10 meters
• Super low power consumption : Works appx. 3 months (4 hrs./day).
• Battery low indicator