Usage Tips:Robo Fish Toys for Cats- The swimming fish twisted their tails, flashing red lights, and then swimming everywhere. Cats will immediately be attracted by these cat toy fish. The robot fish are quite sturdy and the random motion they make with the blinking led's was a enough to draw at your cats in. Realistic Design- Very realistic swimming action with the fins moving quickly then slowing and speeding up again just like real fish. And there's no need to turn them off, they also automatically stop lighting up and swimming when removed from water. Safe Material- It is great bathtub toy and cat toys or dog toys, even you will like it also. And the robot fish toys made of the safe and environmentally friendly plastic, will not pollute the environment. It is your best choose for your pet. Bath Time Fun- The swimming robot fish toys can swim in any water place at home, likes sink,bathtub, even in the swimming pool, and put the robot fish toy in the water, is will swim with the flashing light, when it leave the water, it will turn off automatically, it is the energy saving mode. Cat Toy Fun- Weve come up with these interactive and colorful cat robot fish toys to help encourage your feline or even small canine companions to sharpen their natural hunter instincts, but also have fun doing it. [Note] The two black spots on the small fish are induction switches. The small fish will swim when you touch it or put it into the water. The water needs to submerge the small fish more. The two black spots will only be sensed by the small fish. Do not pull the tail during the use of the small fish, it is easy to break. The small fish needs two AG13 button batteries to drive, and the battery life is about 2 hours. When replacing the battery, pay attention to the positive and negative electrodes. When not in use, take the small fish out of the water surface and dry it, remove the battery to dry.