Product Description:1) Output : 5W(H)/4W(M)/1W(L)2) Frequency Range: 136.00-174.00 MHz / 400.00-520.00MHz3) IP57 waterproof and dustproof (Not diving)4) High &Low Power Switchover5) Battery Saving6) VOX Function7) Wide/Narrow Band Selection8) Auto-Back Light9) Dual Band Standby10) Time-out Timer (TOT)11) 50 CTCSS and 104 DCS Codes12) Voice Prompt13) ANI Code14) PC or Manual Program15) DTMF Code16) PTT-ID17) ATUO Keypad Lock18) Busy Channel Lock Function19) Dual Band, Dual Display and Dual Standby20) Emergency Alarm21) Priory Scanning Function22) Relay Forwarding Confirmed (1750 HZ)23) Low Battery Warning24) U/V Cross Band Dual Watch Model: BAOFENG BF-A58Color: BlackChannel capacity: 128CHOutput power: 5W1WOperating Voltage: DC7.4VAntenna Impedance: 50ohmWorking Temperature: -20°C—+60°CMode of operation: Simplex or semi-duplexFrequency stability: 2.5ppmFrequency Spacing: 2.5/5/6.25/10/12.5/20/25kHzBattery capacity: 1800mAhDimension(Exclude antenna): 110x58x32mmWeight include battery:260g Package include:1*BaoFeng BF-A581*Li-ion Battery1* Antenna1* Battery Charger (US Plug)1* Belt Clip1* Hand Strap