Radiation Alert Ranger EXP Radiation Meter,LCD, factoryCal With EXT pancake prob
Display updates every 3 seconds. Included with Ranger EXP. Red LED flashes with each radiation event. mR/hr. 001 – 100 and CPM 1 – 350,000. 70db @ 1m. Pulsating beeper sounds the alert. Selectable Alert Settings.