STARK SGS10-L FM Portable Two Way Radio High Capacity Battery, Channel Scan, TOT, Low Powe Alarm, Voice Prompt Complies with IP54, Equivalent to U.S.Military Jacklight, FCC CE Certificate The high capacity 3000mAh Li-ION battery Provides 350 hours in standby, Which is benifit long shift workers For More Information visit us www.antrikshtechnosys.com