Before delivery, we have 3 stage of testing:
1. First is data test, such as the measurment of size and calibration of instument;
2. Second is aimed at operation. This stage should include every botton and joystick in the cage for different functions.
3. Third is for different faults, such as a sealing test of a mailbox, we will take a seal down to test if the system can give alert on time.
4. The whole test would last at least 1 week to make sure the best quality when recieving.