Retevis RB75 Walkie Talkies Long Range for Adults,5W High Power GMRS Radio,4500mAh Battery, Heavy Duty Two Way Radio,USB Charging,Waterproof Walkie Talkie for Construction Warehouse Factory(4 Pack) - FA9214AX4-C9034AX4-C9187A

• Walkie talkies long range. RB75 GMRS radio with high power design. this power brings coverage for up to 400,000 square foot warehouse or 35 story building Waterproof Walkie Talkies. RB75 walkie talkie offers a fully IP67 waterproof and dustproof design and durable body structure. which can withstands moisture. dust. vibrations. extreme temperatures and the rigors of everyday use Rechargeable walkie talkies. 4500 mAh battery offers up to 2 weeks in standby and 30 hours in use. walkie talkie base is equipped with USB charging. providing you with a variety of charging methods Walkie talkies for adults. support CHIRP. repeaters can be connected to extend the communication range. we had updated the firmware. the new version of the firmware provides CTCSS/DCS off Clear and loud audio. high gain antenna with voice chip DSP. clear transmission and reception of audio even in noisy places. provide clear and loud audio output. suitable for noisy environments such as schools. manufacturing industries. construction sites. etc Easy to use. works out of the box. RB75 walkie-talkies no complicated button design, only two controls - one knob for channel and one for power/volume. easy adjustments of volume/channel. which is very friendly to employees Please note that the accessories provided in the "buy it with" option are not suitable for RB75. if you need data cable. microphone or earpiece. you can contact us via Amazon mail VOX voice function that allows you to send signals without using the button. great for hands-free communication when you are busy with your hands FCC Certified. please note that our walkie talkies FCC ID is:2A3OORB75 Long distance walkie talkies. 30 channels. please talk on 1-7 and 15-22 high-power channels to ensure distance. 8-14 channels can be connected to base station