"4W Profession Two Way Radio Baofeng UV-5R Walkie Talkie Red,Dual Band UHF:400-520MHz,VHF:136-174MHz,Channels:128,Channel Spacing:2.5/5/6.25/10/12.5/25KHz,Operated Voltage:7.4V,Standard Battery:1500mAh,Battery Life:10 hours,Frequency Stability :2.5ppm(-20 º C ~+60 º C ),Operated Temperature:-30 º C ~+60 º C ,Antenna Impedance:50 Ω,Dimensions:23*39*14inches,Weight:0.85kg,RF Power Output:4W/1W,Modulation:F3E,Spurious Emission:<-60dB,FM Noise(N/W):≥-45dB≥-40dB,Audio Distortion:Less than 10%,Adjacent Channel Power:≤-65dB≤-60dB,Max Frequency Deviation:5KHz (N)/ 2.5KHz (W),Frequency Error:500Hz,Modulation Distortion:0.1KHz (300-3000KHz),Transmitting Current:About1.4A,Package Content:1x Baofeng UV-5R Dualband Radio 136-174Mhz+400-520MhzPackage Content:1x Dualband Antenna,1x 1800mAh Li-ion Battery,1x Charger with Adaptor (110-240V US type or 220V EU plug),1x Belt clip,1x English User manual,1x Hand strip,1x Free earpiece"