Features REVERSE PROTECTION: The delay module has a built‑in diode to provide accidental reverse connection protection for the circuit. STABLE PERFORMANCE: Fixed parameters are always remembered after power failure, and the input and output are isolated by optocoupler to improve the anti interference ability power consumption. EXTERNAL CONNECTIBILITY: This time delay relay can be connected to PNP sensors, proximity switches, pushbuttons, pushbutton switches, etc. PROGRAMMABLE: This time delay relay is programmable and has dual MOS tubes, making it a versatile time delay relay. APPLICATION: This time delay relay is commonly used in car buzzer, control DC motor, lamp, LED light bar, miniature water pump, solenoid valve, etc. Specification: Item Type: Programmable Delay Relay Module Material: Electronic Components Output Capacity: DC 5A Operating Voltage: DC 7-30V (commonly used operating voltage 9V 12V 24V) Static Current: 20mA Working Current: 60mA Signal End: High level trigger, can be connected to PNP sensors, proximity switches, keys, button switches, etc. Multifunctional Timing Relay: Programmable delay mode control relay timing, widely used in smart home, industrial control, automatic irrigation, indoor ventilation, protection equipment, etc. Package List:1 x Programmable Delay Relay Module  Package List 1 x Programmable Delay Relay Module