The Clear-Com CZ11513 is a "4-Up" (up to 4 users) HME DX210 system that features 5 (five) HS15 headsets, a BS210 license-free base station w/2 antennas and 115/230 VAC power supply with 115 VAC power cord, 4 BP210 Beltpacks with 8 BAT41 batteries and 4 pouches, an AC40A Battery Charger with 115/230 VAC power supply, 115VAC power cord, and manual. Pretty much everything you'll need to get your production up and running smoothly. And since we are all aware that no production comes off without a hitch all the more reason to have a solid and stable comm system for the entire production crew. The HME DX210 offers the perfect blend of wireless intercom performance, system compatibility with wired intercom systems, and ease of use. Operating in the 2.4GHz band, the DX210 delivers exceptional sound clarity and enables interference-free communication for highly demanding productions.