Items Description : Model:Retevis H-777Antenna Impedance:50 ohmWorking temperature:-30~+60??CRated Voltage:3.7V DCOutput power:<5WBattery type:Li-ion batteryBattery capacity:1500mAhColor:BlackDimension(LXWXH):60X33X115mm(Not Antenna)Weight:180gDual band or Single band:Single bandDual frequency or Single frequency:Single frequencyFrequency Range:UHF: 400-470MHzMemory Channel:16CTCSS/DCS function:YesBuilt-in Led torch:YesLow battery alarm:YesPower saving function:YesChinese and English voice prompt:YesPC software programmable:YesPackage Includes : 1 X Portable radio1 X Antenna1 X Li-ion battery pack1 X Charger1 X Belt clip1 X The sling1 X User's manualNOTE:As the effect varies from monitor to monitor， there is irrevocable slightly difference in colors between the color showed on your monitor and the real one， So if dear you can not accept this very little difference， be cautious before you making the orders.thanks for understanding.