... key pressing success (if already pressed the number key for 2 times, the third pressing on the number key will ... available in 4s, and the green light will flash, for one time after 4s clearing record.Coding to add ... : Press button 3,6,9 at the same time for 4s, both red and green light on and sounds ... red/green light will flash one time, sound ‘DI..’ for 3 times, then exit ID setting mode and return ...