... Color: Black, WhiteTechnical Parameters:USE: Switch can be configured to delay 20, 40 or 80 seconds. Default setting is 20 seconds ... if no operation in 20 seconds.2. To change the delay time, press the switch for 5 seconds.Beep once ... , delay for 20 secondsBeep twice, delay for 40 secondsBeep three times, delay for 80 seconds3. Configuration is ...