Radiation Detector Gamma: 1cc CsI (TI) with Photodiode Neutron: 1ccLiI (Eu) with Photodiode Energy Range Gamma: 0.06 to 3.0 MeV Neutron: thermal to 14 MeV Dose Equivalent Rate(DER) Range for 137Cs: 1 to 20 mR/h (0.01 to 200 μSv/h) Accuracy of DER: ±20% Neutron Measuring Range: 1 to 100 cps Dose Range: 1 μR to 999 R (0.01 μSvto 9.9 Sv), gamma only Order No.: NeutronRAE II Detector Kit 047-0401-200