2-Channel: forward backward left and right. Remote type: bluetooth. Remote control range: 10m. Battery type: four 1.5V AAA batteries (not included); Remote controller: IPHONE IPAD IPOD Android Phones. You need to download software from App / Android store first then put four 1.5V AAA batteries(not included) in the snake head. Turn on the snake and match the cellphone by bluetooth for 1-2 minutes you can control the snake after finishing the match. Remark: IPHONE operation: Enter Appstore and search animail01 download directly then install the batteries it can be used once bluetooth are paired; IPHONE is animal01 and Android is a-Animal