Mecanum omnidirectional wheel Mecanum wheel roller can move forward or backward like a traditional wheel, allowing sideways movement, , front and rear axles in opposite directions, supporting 45 rotation, and can be flexibly moved to the destination even in a small space. DC reduction motor Working voltage: DC 3-6V<br><br>Rated voltage: DC 4.5V No-load current: 80mA No-load speed: about 200 rpm, measured 180 rpm Reduction ratio: 1:48 Colour: As Shown Material: Aluminum Alloy<br><br>Package Contents: 1 set of DIY obstacle avoidance car chassis (The shipment is in separate parts, and the styles of accessories vary from batch to batch)<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.