The Fido X4 Is A Premium Handheld Explosives Trace Detector (ETD) That Delivers Unmatched Sensitivity For A Broad Range Of Explosives, So You Can Easily Detect Threats At Levels Others Can’t. Next Generation FLIR TrueTrace® Detection Technology Features A New Five-Channel Sensor Array That Delivers Expanded Threat Coverage, Enhanced Sensitivity, And Identification In A Wide Range Of Environmental Conditions. The Simplified User Interface Features Onboard Video Tutorials, User Prompts, And Color- Coded Alarms With Strength Indicators So You Can Operate Quickly And Decisively. Analysis And Reporting Of Results Are Made Simple Through Multiple Modern Connectivity Options, Allowing Critical Data To Be Shared Quickly. From High-Volume Checkpoint And Randomized Screenings To Foot Patrol And Standoff Operations, Fido X4 Is Ready To Go When And Where You Need It.