The remote control snake uses 3.7V rechargeable lithium battery (this product has its own USB port, the bottom of the rattlesnake head can be charged by connecting to the power supply)[Usage]1. Turn on the switch on the bottom of the rattlesnake (section below the head).2. Install the battery on the remote control, open the switch, you can control the rattlesnake forward and around crawling.3.3 Different frequencies for choice of play.The remote control uses three 1.5VAG13# non-rechargeable batteriesProduct features: forward, left and right steering, stop, tongue retractable, tail swingCharging time: 40 minutes;Charging method: USB chargingPlay time: 15 minutesRemote control distance: 10 metersThe product descriptionThe toy is the first rattlesnake to simulate both shape and movement. It is based on the diamondback rattlesnake, native to the eastern United States, which is the largest, most venomous rattlesnake with the longest fangs. When he spots danger, he strikes at a distance of at least a third of his body length.The product is extremely simulated fur curling movement is easy to mistake people for a live snake. As it moves, it gently sticks its tongue out, just like the real thing.The habits of rattlesnakes in the Encyclopedia of AnimalsRattlesnake is a vertebrate animal, it is a kind of tube tooth venomous snake, snake venom is blood cycle poison. The average body length is about 1.5-2 meters. The body is yellowish green, back with rhombus black and brown spots. Tail end has a string of horny ring, for many times after molting remains, when the enemy or sharp activity, quickly swing tail ring, every second can swing 40-60 times, can give out loud sound for a long time, cause the enemy dare not close, or be scared away, it is called rattlesnake.Rattlesnakes have cheek pits between their eyes and nostrils that are sensitive sensors for heat, allowing them to detect the precise location of nearby enemies. Carnivorous, likes to eat rodents, hares, also eat lizards, other snakes and birds. Many often gather together and go into hibernation. Ovoviviparous, with up to 8 to 15 young per snake, found mainly in South and North America.Rattlesnakes are neither able to withstand fire nor cold, so species in tropical areas have changed into nocturnal and dormant, hiding in all kinds of hiding places [such as burrow] in summer days, and resting in stone crevices in winter. Rattlesnakes are poisonous snakes, which are harmful to people.A rattlesnake has a ring on its tail, which is made up of a series of dry scales on its body. These scales, which were once alive skin, became dry scales when they became dead. Rattlesnakes vibrate rings to warn intruders that their bites are poisonous.