Check the listing for details. DC 6-30V Support Micro USB 5V LED Display Automation Cycle Delay Timer RELAY. Condition: New. Listed at 7.99 USD. Highlights:Wide voltage power supply (6 ~ 30V), supports microUSB 5.0V power supply, easy to use;The interface is clear and simple, powerful, easy to understand, meet almost all your needs;The emergency stop function (“STOP” key);With reverse polarity protection, reverse polarity will not burn the product.Increase the sleep mode, if this mode is enabled, without any operation within 5 minutes, then automatically turn off the monitor, any key wake-up;You can set a different OP, CL, LOP parameters, which are independent of each other, and are automatically saved;After the module is powered down, all parameter settings are not lost. Product parameters: 1: Operating voltage: 6--30V, support microUSB 5.0V power supply2: Trigger Source: Active-high (3.0V-24V), have optocoupler isolation, can improve the system\'s anti-jamming capability (customers can also shorting common ground).3: Output capability: You can control the DC 30VDC 5A or 220VAC 5A device.4: Quiescent Current: 20mA; Operating Current: 50mA5: life: more than 10 million times; Working temperature: -40-85 ; Size:6: with optocoupler isolation, enhanced anti-jamming capability, industrial grade board. Special Note: The relay outputs are passive contact, just a switch.- The shipping service we offer is First-Class Package Service, which is a domestic mail service offered by USPS. It is designed for mailing lightweight packages that weigh up to 15.99 ounces and offers delivery in 1-5 business days. It includes a tracking number, allowing customers to track their packages. USPS prices start at $4.75, but we don't have any control over shipping prices. - Many customers ask if they can ship their products in a paper envelope. Unfortunately, we cannot do that because merchandise needs extra protection, and USPS does not provide a tracking number for this type of service.- The shipping service we offer is First-Class Package Service, which is a domestic mail service offered by USPS. It is designed for mailing lightweight packages that weigh up to 15.99 ounces and offers delivery in 1-5 business days. It includes a tracking number, allowing customers to track their packages. USPS prices start at $4.75, but we don't have any control over shipping prices. - Many customers ask if they can ship their products in a paper envelope. Unfortunately, we cannot do that because merchandise needs extra protection, and USPS does not provide a tracking number for this type of service.