3 ms·
The beeping while you wait is likely so you can find the box itself. It also has a small tactile strip -- which vibrates as it beeps -- and which will always p
by whatusername 13y ago
The beeping while you wait is likely so you can find the box itself. It also has a small tactile strip -- which vibrates as it beeps -- and which will always point in the direction of the crossing -- just to help orient you.