Dear customer, hello:welcome to our shop.Each of our products has been thoroughly tested, inspected and perfectly packaged before delivery.If you have any questions about the product, please feel free to contact us so that we can provide you with the best service.Happy shopping! Looking forward to your next visit!Specifications:Modular Design three speed modesBattery Capacity 4400mAhMax Depth 40 mUnit Weight 2.3 Kg Max Run time 60 minsBattery Safe On Flightprompt:Dear customer:1. Due to lighting effects, environment, display brightness, shooting equipment and other factors, the actual color may be different. Slightly different.2. As for the size of the product, due to manual measurement, please allow a difference of 1-2cm, thank you!3. If you have any questions, please feel free to contact us, we will provide you with better and more satisfying solutions than 's customer service!4. For other related products, please search BJY969