Advantages: 3 bands handheld design high power blocking Wi-Fi Bluetooth 2.4G 5.2G 5.8G signals 6 watts high output power jamming range 5 to 40 meters (Still depends on the strength signal in given area) Battery capacity LCD display (Capacity percentage, working Voltage/Current) ABS Shell with good cooling system with cooling fans inside and bigger hot sink With DIP switch, can turn on/off any signal band without affect other bands With built-in bigger battery, can work 150 minutes, Easily repeated charging