Waterproof Mixed differential One-button emergency stop Rechargeable Made of high-quality materials Name: 2.4GHz Wireless remote control Mixed control channel: CH3+CH4 channel: CH1, CH2 Notes 1. The effective distance between the remote control and the receiver is less than 10 meters. Please pay attention to the control distance. If the distance exceeds the above, the signal cannot be received. 2. Do not throw the remote control into the water to avoid short circuit and burning of the remote control. 3. Do not throw the remote control into the fire to avoid explosion and injury (Due to different batches, the printed words on the product will be different, which does not affect use) Colour:Black + White Material:plastic Package Contents: 1 x Remote Control Receiver Set 1 x Instructions in Chinese and English 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store