Durable in use: This time delay module is made of high quality material and durable. 24 general functions: it has 24 general functions to meet other application requirements. Wild application: The product has a wide range of applications and can be used in many areas. Can control solenoid valve, water pump, motor, light belt and so on. Superior performance: low power consumption, superior performance. Description of decimal point time unit: X.XX decimal point in hundredth, timing range: 0.01 seconds to 9.99 seconds XX. X decimal point in the tenth place, time range: 0.1 seconds to 99.9 seconds XXX has no decimal point, time range: 1 second ~ 999 seconds XXX. Decimal point at the setting, time range: 1 minute to 999 minutes.