1:Customized Frequency    
2.121 code for each channel
3.Transmit power:0.5W
4.Communication range:3-5KM(in open space)
5. 8-22 Channels(depend on country)
6.Channel scan
7.With φ2.5MM earphone jacket
8.Backlit display
9.Dual channel monitor
10.Dual power option
11.Auto power saving
12.Key tone&built-in flashlight
13.Key lock function
14.Battery capacity indication
15.Roger beep on/off selection
16.10 kinds of call melody tone
17.Built-in VOX function (3 levels of voice volume)
18.Auto shut off while transmission time out
19.Can be rechargeable by Micro USB cable
20.Low power alarming function
21.Front panel can be rechanged (not supply)
22.Use 3 PCS AAA Alkaline batteries(Not supply)
23.Use 3 PCS AAA NI MAH rechargeable batteries(Not supply)