... : 23 ChannelsPrecision of Locating:Less than 13mAntenna: with GPS internal Antenna and reserved external GPSAntenna jackBatter y ... : with 1100mAH built-in Lithium batter y, can continuouslyuse ... ,Spanish, Holland, Hungarian, Portuguese, Russian, Swedish,Norwegian, Denish, Italian, Finnish, English.with AV IN and fm800*480(BLUETOOTH)optional