Specifications : - Motor : RC 540 - Deceleration Ratio : 1:3.7 - Net Weight : 360g - Powered By : 7.2V 1800/3000mah Rechargeable Battery Pack (not included) - Suits Motors : VX-15cxp, VX-16cxp, VX-18cxp, VX-21 etc (the motors found in Atomic Warhead, Tyrannosaurus, Beast Buggy VH-X5, Beast Lamborghini VH-A6 etc) - see the list below for other compatible motors.

Package included:  - HSP Power Starter - Rear Motor Plate To Replace The Pull Starter - Turning Stick - User manual