1. good in quality; 2. use SMT way; 3. CE, CCC; Voltage: AC110V, 220V, 380V,24V,36V DC12V,24V Delay Time Range:0.01s-99.99s, 1s-99m99s, 1s-99h99m Code: 1Z--one set relay output, with reset, stop function; 2Z--two sets relay output; 2ZH-one set relay output, one set instantaneous output; Working type: 4 LED digital; Contact Capacity: 220V, 5A(resistance)