【Long-Rang】In open environments with no obstructions—such as rural areas, suburbs, or coastal regions—walkie talkies can achieve a range of up to 3 miles. However, in urban or densely built areas, the effective communication range is generally reduced to 0.6–1.2 miles.The actual distance Depends on the obstruction of the current environment 【Greaval GV-8S】 This walkie talkie has been tested by an FCC accreditted lab and complies with the limits for a Class B digital device. FCC ID: 2AJGM-BF888S.Each programmed channel can be set with 50 CTCSS tones and 105 CDCSS codes. These two-way radios also include VOX voice control, scanning, low battery alarm, and a night flashlight 【Suitable for Multiple Scenes】Lightweight and compact, Widely used for Outdoor /Home /Workplace, such as restaurant, hotel, camping, hiking trip, etc. 【Multi-function radio】16 channels, VOX hands-free function, squelch adjustment, scanning, low battery alarm and night LED flashlight, etc. 【Warranty】30-day hassle-free return and lifetime customer service. Feel free to contact us through the Amazon message if you encounter any issues, our support team is always there to help. Greaval Walkie Talkies 10 Pack Rechargeable Two-way Radios with Earpiece 16 Channel Walkie Talkie for Adults, Li-ion Battery and Charger included, Long Range Two Way Radio