Battery Capacity(mAh) : depends on radioWaterproof / Water-Resistant : IP67Maximum Range : 5km-10kmModel Number : RS-507MIs_Display : NoWalkie Talkie Type : PortableOutput Power(w) : 10w-25wMaterial : PlasticStorage Channel : 88Frequency Range : TX: 156.025-157.425MHz, RX: 156.050-163.275MHzDimensions : 153*67*152mmCertification : CENote: if you need software, please contact us.Features:External GPS Receiver FunctionIPX7 Waterproof Construction(1 Meter Depth of Water for 30 Minutes)Class DDSC Call Auto-answerDual/Tri-watchFavorite Channel SetVibration DrainingExternal GPS ReceiverScan Resume TimerWeather Channel with Weather AlertFloatBuilt-in DSCMMSI CodeSpecifications:Frequency: TX: 156.025-157.425MHz, RX: 156.050-163.275MHzOutput Power: 25W/1WType of Emission: FM(16K0G3E), DSC(16K0G2B)Power Supply: DC13.8V(±15%)Dimensions (WxHxD): 153×67×152mmWeight: 742g