Double Horse Brand radio control boat7004 feature 2channels go forwards, turn left and right suitable for age of 14+Specification product size:72*20*19carton size:85*23*85Battery NI-CD 7.2V1800MAHAviate time 15MCharge time 4hoursAviate Area 150-200mFrequency 27mz 40 mz 49mztransmitter requires 6*AA dry cell (not included)