Retevis RT1 2 Way Radio 10W VHF 3000mAh 16CH Scan VOX Scrambler 1750Hz Tone Walkie Talkies Handheld Transceiver Ham Amateur Radio with Earpiece (Black) 10W/5W selectable power support your long rang work and easy to meets your needs in different environment 3000mAh High-capacity battery support 260 hours long standby time;working for whole day without worry about interrupted Scrambler function make your communication be more confidential and keep away from interrupted Sealing design for good water and dust resistance; big size is very suitable for palm holding We provide 1 year warranty and 30 days no reason to return; no matter any reason and within 30 days you can apply for a return Retevis RT1 is  VHF long range two way radio Output power is 10W,range is long enough,if you stand in open ground,the range will be farther The radio has 3000mAh High-capacity battery, which means it has 260 hours long standby time The shell material of the radio is special,it is super durable Advanced voice companding and transmission and the loud speaker that will give you clear sound enjoy even in very noisy environment VOX function makes your hands free and earpiece provides more convenience <span class="a-text-bold">1750HZ tone:</span> Convenient to connect the repeater, launching further distance <span class="a-text-bold">Time-out-timer(TOT):</span> Preventtheusertooccupythechannelforalongtime <span class="a-text-bold">Side-key assignment:</span> With the program software,you can set up the function you like;It is convenient to operate <span class="a-text-bold">VOX transmitting/sensitivity adjustable:</span> Help you easily transmitted signal through voice without press PTT key <span class="a-text-bold">Scanning:</span> Allow you scan either channels or privacy codes within a channel to locate conversations in progress <span class="a-text-bold">High/Low power selectable:</span> Allow you select high or low power according to the actual situation <span class="a-text-bold">Emergency Alarm:</span> When the user is in danger situation, press the Emergency Alarm button to call for help Frequency Range: VHF Channel capacity: 16 Output power: High:10W/Low:5W Frequency Spacing: 12.5kHz/25kHz PC program protection Voice companding function Bandwidth selectable(12.5/25kHz Battery save function Receiving alarm CTCSS/DCS non-standby code 1 x Retevis RT1 2 way radio 2 x Antenna(High gain antenna and Common antenna) 1 x Earpiece 1 x 3000 mAh Polymer Li-ion battery pack 1 x Desktop Charger (100V ~ 240V) 1 x AC/DC adapter 1 x Belt clip 1 x English User&#039;s manual