Retevis RT-B6 2 Way Radio 5W VHF/UHF 136-174/ 400-480MHz 99CH DCS/CTCSS DTMF FM VOX HandHeld Transceiver Ham Amateur Radio (1 Pack) and Retevis Speaker Mic (1 Pack) Standby time: 110 h; 2000mAh Li-ion battery; FM radio: 65-108MHz Lower power,lower voltage prompt; Scanning function; Monitor function Built-in high brightness LED that can be used as a flashlight or alert system for emergency situations Rotary knob up top is great for dialing in nearby frequencies or going up and down the band or menu We provide 1 year warranty and 30 days no reason to return; No matter any reason, within 30 days you can apply for a return (Including the radio accessories)