Includes 6 dewalt dxfrs300 radios, 6 dxfrssv1 surveillance head sets and 1-6 port charging dock, up to 250,000 sq. Ft. /20 floors provides extended signal range with 1 watt output, 22 preset channels are preset with privacy codes to minimize unwanted interference from others, 38 ctcss (continuous tone coded squelch system) codes and 83 dcs (digitally coded squelch) codes provide a total of 121 privacy codes. 2662 privacy combinations are possible when the 22 channels are combined with the 121 privacy codes, ip67 standard dustproof & waterproof complete protection from dust and withstand water immersion for 30 minutes in 1 meter deep water, shock resistant can withstand 2m drop, vox voice-activated transmission frees hands for other tasks, 6 port charging docking station with reversible charging mechanism designed for simple drop-in charging, ultra long runtime with continous 18 hours use (90% standby / 5% talk / 5% listen), key lock when activated, provides key pad security eliminating accidental channel changes, no licence or service fess, includes 360° swivel holster, type c usb charging cable and 1 pack of 1000mah rechargeable lithium polymer battery per radio features 22 preset channels are preset with privacy codes ip67 standard dustproof & waterproof vox voice-activated transmission continous 18 hours use (90% standby / 5% talk / 5% listen) comes with 6 dxfrs300 radios, 6-port charger and 6 surveillance head sets push to talk (ptt) and voice operated switch (vox) button.