The photo is for display purposes only; only one unit will be shipped. It does not require batteries and can be charged with a Type-C cable. The features of this 9-in-1 system are as follows: * The startup sound is adjustable, with volume control via a slide switch and access to the rider panel via button operation. * BGM is included. * Memory cards can be read with a card reader or smartphone. Images require a 240x240px square format.