What is the maximum load capacity of the Xiaomi car roof slide rail? Xiaomi car responds

Xiaomi car responded in the "Xiaomi Car Answers Questions from Netizens" that the maximum load capacity of the roof slide rails on the roof of the rear ceiling of Xiaomi YU7 is 20kg when parking and 1.5kg when driving. We kindly remind you not to hang heavy and bulky devices such as projectors during driving. If necessary, please strictly follow the above mounting weight limit requirements for operation, safety first.