Williams Sound DWS INT 2 Digi-Wave One-way Language Interpretation System, 2.4GHz operation is legal for use in most countries, Range of up to 100 feet outdoors/200 feet indoors Can accommodate floor (or common) language, plus up to 14 simultaneous languages 2.4GHz operation is legal for use in most countries Range of up to 100 feet outdoors/200 feet indoors (depending on environmental conditions) Complete, portable, wireless interpretation system in a briefcase Includes: (1) DLT 100 2.0 transceiver, (10) DLR 50 receivers, (1) MIC 044 2P headset microphone, (10) EAR 022 earphones, (1) CCS 044 silicone skin and (1) CCS 030 DW system carry case