Retevis H-777 Two-Way Radio Long Range UHF 400-470 MHz Signal Frequency Single Band 16 Channels with Original Earpiece (

Specification Frequency Range: UHF: 400-470MHz Memory Channel: 16 CTCSS/DCS function Low battery alarm Power saving function Chinese and English voice prompt PC software programmable 1500mAH Li-ion battery capacity:You can charge 2-3 hours,then you can use it for 8-9 hours continuous use or longer Easy to use:It can be use for all ages.With it,you can communicate with your every family member and friend freely 180g weight is light and small: The radio is easy to carry,in your hands, feel is smooth and good.The package includes belt clip,you can even put it at the waist or other body location Time-out-timer(TOT):Prevent?the?user?to?occupy?the?channel?for?a?long?time Scanning: Allow you scan either channels or privacy codes within a channel to locate conversations in progressBusy Channel Lock Out:Prevents transmission whenever the unit detects another conversation on the same channel? Emergency Alarm:When the user is in danger situation, press the Emergency Alarm button to call for help(should program to set up) Pocket includes: 10? Retevis H-777 2 way radio 10? Antenna 10? Earpiece 10? 1500 mAh Li-ion battery pack 10? Charger 10? Belt clip 10? Hand Strap 10? English User's manual Why can I hear the voices clearly from other group,sometimes ,my voice is intermittent: Please check whether the MIC is blocked by something.If so,please return the radio to us.Sometimes,your frequency is same as the frequency of other groups