DescriptionEasy to use:1. It can be use for all ages.With it，you can communicate with your every family member and friend freely.2. It also can be used such as camping， skiing， keeping in contact with your children in theme parks， and various outdoor activities;3. Of course it is also the prefect way for the following industry:Service industry (Hotel，Restaurant，Supermarket，etc);Security，Property Management; Police，Construction Sites & Transportation;Warehouse， Ports & Logistic Industry etc.4. 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.5. The PTT button is nice and soft， and easy to use， which will be good in the cold if your fingers are a bit numb.6. Built-in Led torch make things easier when in dark environment.7. If you need re-program the radio， please contact us freely， we will provide you the Software for free.Hot Spots:Model ：Retevis H-777Frequency Range：UHF: 400-470MHzAntenna Impedance：50ΩAntenna Style：SMA-FWorking temperature：-30~+60℃Rated Voltage：3.7V DCOutput power：<5WBattery type ：Li-ion batteryBattery capacity：1500mAhColor：BlackDimension(L×W×H) ：60×33×115mm(Not Antenna)Weight：180gDual band or Single band：Single bandDual frequency or Single frequency：Single frequencyMemory Channel：16CHBasic Function：CTCSS/DCS functionBuilt-in Led torchLow battery alarmPower saving functionChinese and English voice promptPC software programmable (If you want reprogram the radios， please feel free to contact us get the software for free.)Package includes:1 × Portable radio (UHF: 400-470MHz)1 × Antenna (SMA-F Antenna)1 × Li-ion battery pack (1500mAh)1 × Charger1 × Belt clip1 × The sling1 × User's manual