2 way radio charger supply power to six radios simultaneously; Note: Incompatible with RT21 RT19 RB29 RB37 walkie talkies The adapter plug is removable; if it doesn't match your socket; you can simply replace the plug instead of buying a new charger Self-switching AC 100V-240V power supply for international use Safe and reliable; multiple safety protection ensure safe use Capable of controlling the charging process to ensure high efficiency