Retevis H-777 Walkie Talkie UHF Two Way Radio 16CH CTCSS/DCS 2 Way Radio(10 Pack) Emergency alarm and built-in led torch make things easier when in dark environment Large capacity battery allow you charge 2-3 hours and then you can use it for 8-9 hours Scanning functionallow you scan either channels or privacy codes within a channel to locate conversations in progress Chinese and English voice prompt;flashlight give you convenience in dark We provide 1 year warranty and 30 days no reason to return including the accessories