Specification AgeRangeDescription : Adult BatteriesIncluded : 1 BatteriesRequired : 1 Brand : Retevis BulletPoint1 : 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 BulletPoint2 : Waterproof and dustproof; 100% IP67 waterproof; radios can be used normally after being soaked in 1 meter of water for 30 minutes BulletPoint3 : Longer communication range; strong penetrating power makes sure that you can communicate between buildings and keep sound clear BulletPoint4 : Ultra long service life; 2200mAh large capacity battery; more than 12 hours continuous working time in analog signal; exceed 20 hours in digital signal BulletPoint5 : Clear sound quality; high power digital walkie talkies with DMR standard offers amazingly clear loud full quieting digital voice communication without static noise BulletPoint6 : Sturdy and durable; strict shell structure and material allow you to use them in any complex environment BulletPoint7 : Widely application; suitable for church; school; job sites; construction sites; beach club; hotel; etc BulletPoint8 : ⑧ Long press side key 2: Turn on fall-down alarm. Alarm sounds if not lifted. Can be set to specific contacts. ⑨ When open APRS, radio sends info at set time, make "Bee" sound. ⑩ Long press 8+Power on,can view version info. Press Side key 2 + PTT+power on, PW059500, confirm to unlock new freq. band. ⑪ In FM mode, press #: Search and auto-save FM stations. Color : Black CompatibleDevices : Retevis radios with compatible CTCSS DCS settings CompatibleDevices1 : Baofeng BF-F8HP PRO CompatibleDevices2 : AR-5RM CompatibleDevices3 : BAOFENG UV-5R CompatibleDevices4 : baofeng 5rm ConnectivityProtocol : DMR ConnectivityTechnology : Wired ConnectorType : 3.5 mm Jack ControllerType : Touch ControlMethod : touch ControlType : Touch Control CustomerPackageType : pouch made of cardboard or polyurethane ExternallyAssignedProductIdentifier1 : 796103653976 ExternallyAssignedProductIdentifier2 : 0796103653976 FrequencyRange : RT81 Hazmat1 : LITHIUM ION BATTERIES PACKED WITH EQUIPMENT Hazmat10 : EG_SmallLithiumIonBatteryWithEquipment Hazmat11 : ES_SmallLithiumIonBatteryWithEquipment Hazmat12 : FR_SmallLithiumIonBatteryWithEquipment Hazmat13 : GB_SmallLithiumIonBatteryWithEquipment Hazmat14 : IN_SmallLithiumIonBatteryWithEquipment Hazmat15 : IT_SmallLithiumIonBatteryWithEquipment Hazmat16 : JP_SmallLithiumIonBatteryWithEquipment Hazmat17 : MX_SmallLithiumIonBatteryWithEquipment Hazmat18 : NL_SmallLithiumIonBatteryWithEquipment Hazmat19 : PL_SmallLithiumIonBatteryWithEquipment Hazmat2 : UN3481 Hazmat20 : SA_SmallLithiumIonBatteryWithEquipment Hazmat21 : SE_SmallLithiumIonBatteryWithEquipment Hazmat22 : SG_SmallLithiumIonBatteryWithEquipment Hazmat23 : TR_SmallLithiumIonBatteryWithEquipment Hazmat24 : US_SmallLithiumIonBatteryWithEquipment Hazmat25 : 9 Hazmat26 : 9 Hazmat27 : ZA_SmallLithiumIonBatteryWithEquipment Hazmat28 : 9 Hazmat3 : II Hazmat4 : AE_SmallLithiumIonBatteryWithEquipment Hazmat5 : AU_SmallLithiumIonBatteryWithEquipment Hazmat6 : BR_SmallLithiumIonBatteryWithEquipment Hazmat7 : CA_SmallLithiumIonBatteryWithEquipment Hazmat8 : CN_SmallLithiumIonBatteryWithEquipment Hazmat9 : DE_SmallLithiumIonBatteryWithEquipment HeadphonesFormFactor : On Ear HeadphonesJack : Kenwood 2PIN IncludedComponents : 1 x KSUN DM10 Radio, 1 x Battery, 1 x Belt clip, 1 x Charger, 1 x Charging cable, 1 x Manual, 1 x Lanyard, 1 x Handheld Radio, 1 x Antenna IncludedComponents1 : 4 x Retevis RT81 walkie talkies and 2200mAh(Li-ion) Battery IncludedComponents2 : 4 x Belt Clip IncludedComponents3 : 4 x Charging dock IncludedComponents4 : 4 x Charger adapter IncludedComponents5 : 4 x English User manual IncludesRechargableBattery : 1 InternationalProtectionRating : IP67 ItemName : Retevis RT81 Digital Two Way Radio,Waterproof Walkie Talkies Long Range,Rugged,2200mAh,Group Call, Dual Time Slot,DMR Radio for Business (4 Pack) ItemPackageDimensions_Height : 5.8 inches ItemPackageDimensions_Length : 21.92 inches ItemPackageDimensions_Width : 10.04 inches ItemPackageQuantity : 1 ItemTypeKeyword : frs-two-way-radios Manufacturer : Retevis Material1 : Plastic Material2 : PU MicrophoneFormFactor : Handheld ModelName : 5RH Pro ModelNumber : FA9119AX4-C9018A NoiseLevel : 10 decibels NumberOfBoxes : 1 NumberOfChannels : 32 NumberOfItems : 4 NumberOfLithiumIonCells : 1 NumberOfLithiumMetalCells : 4 PackageLevel : unit PartNumber : FA9119AX4-C9018A PowerSourceType : Battery Powered ProductDescription : Unique design concept brings you a different experience;RT81 walkie talkie is designed to solve the signal faint and sound quality of the analog radios in some scenes; faster; stronger signal processing and louder; more clear sound make it very popular for business and family use; it delivers all the benefits of digital at an exceptional value RT81 walkie talkie is your best choice DMR Frequency; High Power RT81 two way radio is easy to carry and use; the long distance communication under most circumstances; but it influenced by the local terrain; weather Channel Capacity;32(2 Zone;16 channel per zone) Different from other 16 channel radios; through 2 groups call; you can make call in analog channel; digital channel;RT81 gives you more choice to store the frequencies you like; bring great convenience to you VOX Function Even if you are in a noisy environment; you also can receive high-quality sound signals; allow you hands-free operation when you are busy Larger Battery Capacity Battery life is a big challenge for all mobile devices;RT81 has the 7.4V/2200mAh battery capacity; you can use it for all day; more power saving in digital mode; you can charge the battery alone or charge the radio with battery installed Other Feature Online update Busy channel lockout English and Chinese audio prompt Time out timer TX Digital/analog double modes Battery indicator End-tone elimination VOX function Lone worker 2 time slot Battery save/Low battery alarm Package Include 4x Waterproof Li-ion battery pack 4x Adapter(US) 4x Charger Desktop 4x Belt clip 4x Antenna 4x Hand Strap 4x English Use manual ProductSiteLaunchDate : 2013-08-14T03:25:53.648Z RecommendedUsesForProduct : Radio Communication Size : compatible with Baofeng*2 SpecificUsesForProduct1 : Walkie Talkie Communication Accessories SpecificUsesForProduct2 : Security, Retail, Hospitality, Manufacturing, Nightclubs, Bars, Paintball, Warehouses, Airports, Casinos, Conventions, Noisy Environments Style : 5RH Pro GPS-10Watt-2Pack SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 TalkRangeMaximum : 2 mile TargetGender : unisex TemperatureRange : -10-50 degrees_celsius TunerTechnology : RT81 UnitCount : 1 UnspscCode : 43191510 Voltage : 7.4 volts_of_alternating_current WarrantyDescription : We provide 2 year warranty and 30 days no reason to return;2 year warranty for radio body and 1 year warranty for accessories. Beyond the warranty period: We still offer maintain service, buyers are required to afford corresponding costs. We processed in the most hassle-free way possible.You just need to contact with us on Amazon ,we will reply you within 12 hours WaterResistanceLevel : waterproof