Kit includes 1x Inim FA100: high-sensitivity airsampling unit with 1 detector module (expandable up to 2 detector modules). Maximum 160m airsampling pipe on 1 airsampling unit. Maximum distance farthest sampling hole : 100m. Up to 8 sampling holes in class A, 18 sampling holes in class B and 51 sampling holes in class C. EN54/20 approved and 1x Inim FA100LAN: LAN module for Inim FA100 high-sensitivity airsampling unit