(Q5 model is new, you can take it on the airplane, it won't be over power, but the use time is very short, only 1 hour, and Q5 can only dive to about 7M, Q1/Q2/Q3/Q4 can be used to dive up to about 12-15M maximum, the use time is according to the choice of your model).

Product Parameters:
Maximum depth:7M
Endurance:50 minutes,Support replaceable batterycan be on the plan
Battery capacity:9000Mah
Battery power:99 watt
Weight:3.8KG(with battery)
Voltage:  11.1V