Notice:Dear friend, if your order more than $5, Aliexpress don’t allow we send by not available tracking information shipping method (like China Post Ordinary Small Packet Plus, 4PX Singapore Post OM Pro). So please choose China Post Air Mail if your order more than $5. Or pls split your order, you can submit more than 2 orders, make sure your each order less than $5. If you can’t accept, pls don’t buy, We refuse to delivery. Thank you for your support, enjoy your shopping. Please notice:If you choose China Post Ordinary Small Packet Plus,the tracking information will only shows in the order page and do not have a tracking number.If you want monitor the whole transit process,please choose other shipping method like China Post Registered Air Mail. We won’t accept dispute if youchosen China Post Ordinary Small Packet Plus and ask a tracking number Mechanical structure is simple, it is easy to install. This car is the tachometer encoder With a 4 AA battery box and battery case. (Batteries are not included.) Can be used for distance measurement, velocity. Can use with other devices to realize function of tracing, obstacle avoidance, distance testing, speed testing, wireless remote control. Size: approx. 20 x 14cm(L x W); Wheel Size:6.5cm (Dia.) x 2.7cm (H) Note: motor power supply is 3V~6V. All the parameter above is tested without load. Package Content: 1 x Car Chassis 2 x Gear Motor 2 x Car Tire 2 x Speed Encoder 2 x Fastener 1 x Universal Wheel 1 x Screwdriver 1 x Battery Box (Batteries not included ) All Necessary Screw And Nut Kindly Note: The car Chassis is transparent, you need to tear out protective paper
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Estimated Delivery Time
3 - 7 days
3 - 7 days
5 - 14 days
Post Air Mail
15 - 45 days
If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.
N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).