Adjustable defrost timer Refrigerator

Refrigerator technician know if the compressor operating time is set by a timer and time of each process is about 7 hours and then the ice melt processing time is about 20 minutes, now there is a new timer that can be set operating time in 6, 8, 12 up to 24 hours to run the compressor and 15, 21, 25 to 32 minutes to allow time for the heater to melt the frost on the evaporator. yes as shown in the picture when the timer is equipped with a green LED to indicate operation of the compressor and a red LED to indicate that while it is a process melts the ice. although it has its advantages, but it seems that for the refrigerator will not be so fit or no its not really necessary adjustments such as the passage of time is set aside, the compressor can also be disabled by a thermostat, but could be used for other purposes, in terms of appearance rather large timer that comes from China and branded Leijin reminds us of the timer refrigerator American production such as General Electric, Kelvinator etc. which is larger than the other timer.