4km-Range Two Way Radio Bf 888s Walkie Talkie

▲ultra-quiet :400-470mhz frequency range,50 ctcss / 105 cdcss,scanning function,clearly hear each other. ▲1500mah li-ion battery,low battery alarm advises you when to recharge or replace the batteries, power-saving features to extend battery life. ▲chinese and english voice prompts,communication distance range up to 3 miles (5 km) depending on environment and terrain,built-in led torch bright flashlight meets your need even at dark night. ▲this walkie-talkie is helpful:security guard,supermarket connection,construction area indication, field survival, biking and hiking.