- Model: KG-689- Unique dual channel frequency stand-by feature --?simutaniously?awaits transmissions?from two separate channels- A/B switch for rapidly changing active transmission/outgoing frequency between the two standby channels- 5W high transmission power- Frequency range: 400Mhz ~ 471Mhz- Transmission range: 5KM to 10KM- Dual standby channel frequencies displayed at the same time- Built-in rechargeable lithium battery- 110V AC charger included- ANI identification- VOX supported                                                                                                                                Dimensions: 10.24 in x 2.36 in x 1.18 in<br />Weight: 31.18 oz