Random Color One with a sell 4 button electronic (two have been installed) Material: abs + electronic components Size: 8 * 2 * 3.5cm or so Caution: 1, fish do not have time, do not have been placed in the water, the fish body sensor Device has been in the active state not only power, and travel time is too long product Internal loss is too large, it leads to coil disconnection, it is recommended that each continuous use Not more than 1 hour. You can let the fish rest 5 minutes to play. 2, do not drag the fish's tail, small fish swaying by the tail to swim, tail Took off, the fish can not swim Oh. 3. Replace the button battery Note: The battery should be in place, do not engage in positive and negative polarity; 4, for the fish before the water if you remember Sassafras clean; 5, to tighten the screws to prevent water seepage. 6, the battery life of about 2 hours;