Specification Brand Name ZYHOBBY Item Name ZY ESTDTProduct Dimensions 294mm x 221mm x 100mmPackaging Dimensions 320mm x 260mm x 140mmProduct Material 6061 Aluminum AlloyNet Weight 3035gGross Weight 3530gOperating Voltage DC 14 8V recommended 4S Lithium Battery Interface XT60Starter Rubber Head Dimensions Φ68mm x D72mm x H62mm Large Head Φ48 5mm x D72mm x H62mm Small Head Package Included 1 x External Engine Starter Note Battery is not included