Functions:16 channel Frequency: 400-469.995MHz 1500mAh Li-ion battery 50 CTCSS/105 CDCSS VOX Function Voice Prompt PC Programming Emergency Alarm Intelligent Charging Battery Save Low Voltage Alert Time-out Timer FlashLight Frequency Range:UHF 400~470MHzRF RATED Power:<=5wChannel Spacing:25KHzChannel Capacity:16Battery:1500mah li-ionBattery life:About 8 hoursFrequency Atability:+-2.5ppmOperated Temperature:-30¡ãC+60¡ãCSize:110*50*32weight:198gCommunication Range:City:500-1000m、Country and flat about 2-4kmRF power output:3WModulation:F3ESpurious Emission:<5%Transmitting Current:<1.3APackage Content: 1 x BF-888S (UHF 400-469.995Mhz) 1 x 3.7v 1500mAh Li-ion Battery 1 x SMA-Female Antenna. 1 x Belt Clip. 1 x Manual 1 x Desktop Charger (100V /240V ) 1 x Wrist Strap