Retevis RT-5R 2 Way Radio VHF/UHF 136-174/400-480 MHz Dual Band CTCSS/DCS FM Portable Ham Radio Walkie Talkie (2 Pack) and USB Programming Cable 128 groups channels storage; Shortcut menu operation model 1800mAh Li-ion battery; Battery voltage display function; Low battery alarm 50 CTCSS/104 DCS; FM radio and 25 stations storage; with high quality usb programming cable Built-in high brightness LED that can be used as a flashlight or alert system for emergency situation Easy to program : If you need to re-program the radio, please contact us freely, we will provide you the Programming Software for free