Description:  -Full Band Frequency:68-108MHZ (FM) 108-136MHZ(Air frequency receiving) 136-660MHZ (RX/TX) . The best frequency in 136-174MHZ/400-520MHZ.  -Built-in display:New trend black technology .1.77-inch high-definition large screen display. There are 2 different display modes of frequency and channel to meet your different needs. All display function menus on the display. Such as V0X/FM/CT etc.  -Wireless Copy Frequency :Press the menu button to enter the “FQSCAN” interface. Press Menu again and the AR-518 will search for another radio transmission frequency and privacy code. Finally press the menu to store the frequency. Two walkie-talkies can communicate normally. Communication is unobstructed, and traditional writing frequency is rejected.  -USB Type-C Charging:USB charging is a trend for mobile devices as it has low requirements for power sources and places. The AR-518 is USB Type-C rechargeable, for which you can easily charge it like a phone in your car, with a power bank or laptop . Portable for your travel.  -PC & Manual Programmable:Apart from programming the radio via computer software, users can also use the keypad to program most settings in the menu, for example, adding/deleting a memory channel, adding/removing a channel from the scanning list, adjusting V0X/squelch/power save levels, etc.     Specification:  Frequency Range:  68-108MHz(FM RX).  108-136MHz(Air Band RX).  136-660MHz(Full Band).  Power: 10W.  Battery capacity: 8800mAh.  Memory Channel: 128 Channels.  Display: 1.77inch LCD Color screen.  Distance: 5-10km.  Color: Red/Black/Orange/Green.     Functions:  -Wireless Copy Frequency.  -Frequency/CTCSS Detection.  -V0X Function.  -Emergency Function.  -Scan Function.  -Battery Save.  -PC Programming .  -DTMF Encoding/Decoding. -SOS.  -Prior Channel Scanning.  -CTCSS/DCS.     Package included:  1 x AR-518 Radio.  1 x Battery.  1 x Charger.  1 x Belt Clip.  1 x SMA-Female Antenna.  1 x Handstrap.  1 x User Manual