Warm Tips:\r\nEnsure the top cover tamp down tightly before the boat is running: fasten the top cover forwards and hear \"dong\",then button up it backwards, which indicates it is locked well.\r\nPut in the water firstly then turn on the controller when playing, the screw propeller won\'t turn if it was on the land. Please note the boat ONLY WORKS IN THE WATER.\r\nWhen the battery is charging, if the battery is full charged, the light will turn red.\r\nOpen the top cover and take the battery out after playing to ensure the inner surface of boat is dry, otherwise it will shorten the lifetime of the boat.\r\nDue to prolonged transportation, the battery may have not much power to play, we\'d suggest you that charge the battery fully first before the first time playing.\r\nPlease take the batteries out when you don\'t need play it, which could protect the battery from leaking. Product Specifications:\r\nMaterial: ABS Plastic\r\nBattery of Transmitter: 4 x AA 1.5V battery ( Not included)\r\nBattery of boat: 7.4V 600mAh lithium ion battery (Included)\r\nAge Range: 14 Years and up\r\nPlaying time: 7~8 minutes\r\nMax Speed: 25km / h\r\nRemote control Frequency: 2.4GHz\r\nRemote control Channel: 4-Channels\r\nRemote control Distance: 150 meters\r\nFunctions: Auto 180 Degrees Turnover; Automatic Flips; Turn Forward/Backward; Left/Right\r\nItem Size: 35.2 x 9.2 x 9.0 cm\r\nPackage size: 36.8 x 28.0 x 12.5 cm\r\nWeight: 0.90 KG/ 1.0 KG Package Included:\r\n1x RC Boat\r\n1x Lithium battery\r\n1x Transmitter controller\r\n1x Charger\r\n1x User manual\r\n1x supporter set