Features:1. Aluminum construction, wear resistance, solid and compact. 2. Good heat insulation, variable speed system.3. Low noise, low power consumption and strong wind. 4. USB cable can be connected to the power bank or power supply. Also can put 2 D batteries(the batteries are not included) to use. 5. Perfect accessory for your BBQ or portable spit roaster.Specification:Condition:100% Brand NewMaterial: AluminumColor: As Pictures ShownRated voltage: DC 5VNo-load current: Below 180MAOutput speed: 4R.P.MRoasting branch output caliber: 0.8cm*0.8cmTurn around: CWRotor output torque: 0-40.0kgf.cmSize: approx.10*9*9cm/3.9*3.5*3.5inWeight: Approx.584g/20.6oz Package list: 1 * BBQ Motor (Battery Not Included)1 * USB CableNote:1. Please allow 0~1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.