Features  
   use max cpu function
   change packet size
   choose how many packets
   choose delay between packets
   ping victim for victims ping delay
   entering multiple broadcasts

What is this 
   ping packets with the ip address forged with the ip of your victim. the ping gets issued to the entitire ip broadcast address you use and this causes ever machin to respond to the ping packets and reply to your victim, which ends up flooding the victim.