Features: 
1.    Detects all jammers
2.    Electric shock voltage protection max. 30 KV/ sec
3.    RF protection against interference receiving frequency from 30 MHZ up to 3.2 GHZ
4.    Adjust RF received the sensitiveness of signal power -60 dBm to 2 dBm
5.    The protection time could receive signals in 1 msec
6.    Adjust POWER ON delay time from 1 to 10 sec
7.    Add to RF aerial terminal can enhanced receive signals
8.    It is able to be used with alarm device
9.    Package includes one pieces of Iron Dog, aerial and one set of wires