Retevis RT21 Updated 3000mAh 2 Way Radio Rechargeable, Heavy Duty Two Way Radio Long Range, 16CH VOX Handfree Adults Walkie Talkies for Business Retail Contractor Agriculture Black(10 Pack)

Updated 3000mAh battery is strong lasting your several days working and reduce charging time; no worry about interrupted by power off; Ideal for long-time activities or long shifts work

Clarity is awesome from long distances; you can hear each other clearly inside and outside the building; ideal for restaurant; retail; factory; farm; auto show; events; club; church security; school

50CTCSS 208DCS Keep you away from the irrelevant talking;ensure your team have a quiet and efficient communication

Rugged two way radios shell and durable antenna and belt clips are useful for your long-term use in the future

Have been set well could use directly when out of box; emergency alarm will protect your safety when you work alone