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Retevis RT81 Digital Two Way Radio,Waterproof Walkie Talkies Long Call, Dual Time Slot,DMR Radio for Business (4 Pack)
RT81 high power walkie talkies are specifically designed for large commercial environments; channels are pre-set with CTCSS DCS to reduce unnecessary transmissions and therefore cannot talk directly to other brands of radios; if you need to talk to other brand walkie talkies; please contact us via Amazon mail; we will offer firmware for you Waterproof and dustproof; 100% IP67 waterproof; radios can be used normally after being soaked in 1 meter of water for 30 minutes Longer communication range; strong penetrating power makes sure that you can communicate between buildings and keep sound clear Ultra long service life; large capacity battery; more than 

Price is $350.00
Price: $349.99