1. Password peep function: When opening the door with a password, enter the password as
follows: XXX password XXX, and add some irrelevant codes before and after the password, then
press # to confirm. The password must be included in the entered content.
2. Password error restriction function: Input incorrect password more than 5 times in a row,
lock the keyboard for 30 seconds.
3. Low battery warning: When the voltage drops below 4.8V, an automatic alarm will sound
every time the door is unlocked. The alarm will sound and the rear door lock can be unlocked
200 times. If the number of times is exceeded, the unlocking will be delayed for 5 seconds each
time.
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