Playmobil RC Module Plus Set is for upgrading all RC Compatible vehicles. The unit has three speed settings and gives the vehicle steering capabilities. 1 x 9V battery block and 4 x 1.5 V-AA batteries required (not included). Upgrade rc compatible sets. Handheld controller with forward/backward and directional controls. Comes with sections that fit underneath the vehicle to power the wheels. After every battery change the transmitter and receiver will need to be paired together again. The red LED flashes consistently when new batteries are required. Batteries required: 1 x 9V (not included) plus 4 x AA .