Recently, GPTOYS release a mini drone, F51 Middax. This waterproof drone claims to be the first drone to take video under water, wanna explore the secret of sea world, out of question.
Passess with all basic features of quadcopter, it can fly up/down, turn left/right, 360 flips, one key return and etc.
Among all the features, one needs to be focus, That is the waterproof feature, Our camera of F51 mini drone is totally waterproof so that we can take pictures under the water. While still there is some limits. Once F51 dive into water, the transmitter should be very close to surface to bind and control the F51.