The PSB7-PRO design concept is the first of its kind with result driven features and functionality never before seen or used in a Sweep Radio Spirit Box ITC device. Features: Large Graphic Display with Red Backlight Industry First "Precision" User Adjustable AM/FM Sweep Speeds - 30mS, 50mS, 70mS, 90mS, 110mS, 130mS, 150mS, 170mS, 190mS, 210mS, 230mS, 250mS, 270mS, 290mS, 310mS, 330mS and 350mS Sweep Forward / Reverse Industry First User Adjustable FM Frequency Steps -10kHz, 20kHz, 40kHz, 60kHz, 80kHz,100kHz Industry First User Adjustable AM Frequency Steps - 1kHz, 2kHz, 4kHz, 6kHz, 8kHz, 10kHz Temperature Display: Ambient and Deviation temperature measurement Temperature °C/°F selectable Temperature Spike Detection with audible alert Industry First Integrated REM Field Trigger Sensor. Momentary and timer controlled Industry First Integrated IR Emitter/Receiver Trigger Sensor. Momentary and timer controlled Industry First REM Field and IR Sensor Simultaneous Trigger Sensor. Momentary and timer controlled Selectable Audible Alert Feature. Alerts when any of the triggers have been activated 15mW Earphone Audio Output 250mW Speaker Output Built-in Flashlight Antenna Switch turns reception ON/OFF Mute Switch On /Off allows for silent operation during trigger mode operation until trigger is activated