[INDEPENDENT DELAY CHANNELS] Control 8 channels of relays independently, ensuring no interference between triggers. Each channel has customizable delay settings for precise operation. [MULTIFUNCTIONAL MODES] Choose from 6 functional modes with 3 sub-modes each for versatile operation. Options include no cycle, 2-99 cycles, and always cycle to suit different needs. [OPTICAL ISOLATION] from input optical isolation and power anti-reverse diode for added safety and protection during operation. [ COMPONENTS] Utilizes high Q value SMD electrolytic capacitors for excellent signal responsiveness and low attenuation in circuits. [POWER-DOWN SAVE FEATURE] Parameters are saved even after a power outage, ensuring peace of mind during use.