2 of the walkie talkies work, but the battery doesn't last very long.

The other 2 may work, but their batteries do not charge.

UHF 438-470 MHz FM, 1-4 watt output, 16 channels, will not meet the 12.5 kHz channel spacing, analog.

Includes charger.  Motorola Astec AA16600 Power Supply Level 3.

You will need a regular power cord to plug the charger into the outlet.