Save your time and space; only one charger you can charge 6 radios or batteries at the same time; takes less space and does rapid charge With power switch button on the base; convenient and efficient; you can turn off the charger directly after charging; no need to unplug the power cord Multiple charging protection; overcharge protection; overvoltage protection; short circuit protection; it's safer to charge your radios The adapter pin is removable; if it doesn't match your socket; you can simply replace the plug instead of buying a new charger Find your specific model in the product description below; compatible with Baofeng BF-888S and Retevis H777 radios; self switching AC 100V-240V power supply for international use; please note it can NOT work with Retevis RT21 H-777S walkie talkies