2.4G remote control toy car accessories. The first use (or replace the battery) need to matching frequency. Suitable for children's electric toy cars. Hold the forward and reverse buttons simultaneously, the light flashes, turn on the car, the light stops flashing, and the connection is successful. Turn on the car power,remote indicator light wll be off,indicating the successful connection with the car,release the button,now the remote control can be used. Specification: Material: Plastic Size Chart: Remote Controller Size: 15x8.5x2.5cm/5.91x3.35x0.98inch 1816 Receiver Size: 7.5x3x8cm/2.95x1.18x3.15inch Update Remote Size:14x8x2.5cm/5.51x3.15x0.98inch JR1816 Receiver Size:7.6x8x3cm/2.99x3.15x1.18inch Red Chip Receiver 12V Size:9x8x3cm/3.54x3.15x1.18inch Package Includes: Optional Remote Controller or 12V Receiver Note: This product is suitable for specific children's riding toys, please ensure that the purchased parts have the same appearance and model as the parts. Powered by two AAA batteries(not included.) Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!