These rugged walkie talkies allow you to be prepared for storms and emergencies with a built-in NOAA radio receiver. The built-in LED flashlight and rubberized grips provide enhanced functionality to keep you on the go. VibrAlert® notifies you of a call in noisy or all-quiet environments. Waterproof spec allows you to be ready for whatever Mother Nature can throw at you. Operates on GMRS/FRS frequency. Voice-activated transmission frees hands for other tasks. A total of 3124 channel combinations are available when the 22 channels are combined with the 142 privacy codes (38 CTCSS/104 DCS). Can charge using AC input charger or cigarette lighter adapter. The radios include rechargeable NiMH batteries and a two-port charging dock. 1 Year warranty.