Caution1.Before reading and understanding the instruction manual and not understanding the performance of this electric wheelchair, please do not use it, and do not lend it to people who cannot operate the wheelchair. 2.For the safety of you and others, please be sure to follow national and local road traffic regulations when driving this product. 3.When using a wheelchair, please do not exceed the maximum load of this product, otherwise it may cause personal injury and the vehicle cannot obtain warranty service. 4.Single-seat wheelchairs, please do not bring people. 5.Don't try to exceed the wheelchair's rated obstacle clearance height. Keep your body and obstacles at 90 degrees when you cross obstacles, and get over obstacles at low speeds. 6.When driving on uneven ground, please slow down. This wheelchair should not be driven on rainy or snowy days as much as possible to prevent the controller and battery from being damaged by water. 7.If the vehicle is equipped with anti-rolling wheels, please do not disassemble or replace them at will. The anti-rolling wheels can increase the driving safety of the wheelchair to a certain extent. 8.Please do not connect other medical devices to the wheelchair battery, otherwise it may cause other medical device equipment failure, wheelchair damage or even personal injury. 9.Please slow down when going up and down and turning, do not reverse on the slope. Do not drive on the slope that exceeds the wheelchair's rated slope, and do not place the wheelchair in the hand push mode on the slope, so as to avoid danger of uncontrolled downward sliding. Suggested maximum climbing angle load (refer to the figure below) The climbing ability affects the weight of the receiver, the speed of the vehicle, the angle of the slope, and the setting of wheelchair parameters. 10.The device must not to be used in the presence of flammable anesthetic gas mixed with air or flammable anesthetic gas mixed with oxygen or nitrous oxide