K-Rain Model 2110 Single Station Timer with Key Lock. Input electric is 110/115 Volts, 60 cycle. Output Electric is 110/115 Volts, 60 cycle. Switch rated for up to 1 horsepower single pole, single throw. Minimum run time 3 minutes, maximum runtime 23 hours. Up to 93 start times per day.

The difference between this 2110 Model and the 2112 Model is that the 2110 Model is a single throw, whereas the 2112 Model is a double throw switch, otherwise they are they same voltage (110-115V) input and output.
If you are replacing a K-Rain Model 2110 Controller or a discontinued K-Rain Model 1110 Controller, this factory recommended direct replacement K-Rain Model 2110 is the correct controller to use.