Features:Made of high quality material, durable and practical to use.IP68 waterproof and dustproof (do not dive).Relay forwarding confirmation (1750hz).Dual frequency, dual display, dual standby.High and low power switching.Power saving, wideband / narrowband selection.Automatic reversing light and dual-frequency standby, timeout timer (TOT).50 CTCSS and 104 DCS codes.Voice prompt & ANI code PC or manual program & DTMF code & PTT-ID & ATUO keyboard lock.Busy channel lock function.Low battery alarm, urgent alarm, and Priory scanning function.U/V cross belt double table.Dual-band, Dual display, Dual standby: YesIP67 Waterproof and dustproof: Yes IP67Up to 128 Memory channels: YesCrossband reception/transmission: YesBattery Saving: YesVOX(voice-operated transmission): YesWide/Narrowband selection: YesTone end of transmission: YesAuto-Back light: YesDual-band standby: YesTime-out timer(TOT): YesVoice prompt(English /Chinese): YesDTMF emergency alarm: YesANI code PTT-ID: YesFrequency reverse: YesAuto keypad lock: YesBusy channel lock function: YesEmergency SOS sound and light alarm: YesPC software or Manual program: YesPriory scanning Function: YesCommercial FM radio receiver(65Mhz-108MHz):YesRelay forwarding confirmed(1750Hz): YesLow Battery warning: YesDisplay illumination and programmable keyboard: YesType of modulation: FMEmission class:16kF3E/11F3E(W/N)Maximum deviation: