Description Report Item Product description This is a pen type nuclear radiation detector, mainly used to detect γ and X band radiation. Equipped with white OLED screen, visible at night. Suitable for radiation monitoring professionals, but also can be used daily to check the nuclear radiation sources around. Product parameters Sensor: 48mm Geiger counter； Measurement range: 0.05usV~50msv； Measurement accuracy:-17%~+25% based on 137Cs Y； Working environment: temperature -20 C -50C; Humidity < 95% RH, nocondensation； Endurance time: 50hour (continuous measurement, screen sleep)Charging time:2~3hour； Charging interface: type-C； Instructions for use Multiple parameters visible:DOSE RATE( means moment dose rate）； DOSE: （means accumulated dose）； AVR:：（means the average dose rate）； MAX：（means the max dose rate）； Alarm settings:Short time press menu key shift the menu to DOSE RATE /DOSE Alarm page.Short time press power supply key DOSE RATE /DOSE Alarm. then alarm valueflashing, now circling shift to alarm value within 0.6-300uSv/1-3000uSv range througlmenu key. Short time press power supply key to save the alarm value. Product Package 1*HFSP3 1*English manual 1*type-C charging cable