Walkie Talkie LT-25W Ham Radio UHF 400-470MHz 25Watt High Power output Amateur Two Way Radio with free program cable By Luiton Brand New ,loud Speaker ,16 channel, Long distance communication LARGE BATTERY : 4000 mah volume Battery; long time standby LONG ANTENNA : 25 watt power output Uhf ham radio with Whip Antenna; POWER OUTPUT : 25W/10W/5W Tri-power optional LONG DISTANCE : 15 km communication distance in the city;25 km communication distance in the wild space.