1.  Large gamma NaI(Tl) scintillator
2.  Part of the RDS radiation detecting probe family
3.  Adjustable handle 
4.  Multi-channel discrimination
5.  Simultaneous detection of 4 channels + display of 2 selectable channels
6.  Works with Rad-Extender to download data
7.  Common probe connector cable can be used with any Rad Defender probe
8.  Durable, easy-to-use ergonomic design with optional shoulder strap
9.  Robust cable connections
10.  Smart Probe functionality stores calibration on probe - can be used with any Base Unit
11.  Designed and tested for military ruggedness to meet both military/defense requirements and industrial applications