ITEM NAME:DC 12V Time Delay Relay Module Circuit Timer Timing Board Switch Trigger Tool Descriptio n Description: There are 8 time range options, with a minimum of 0.1 seconds and a maximum of 1 hour. High current load (250V AC 10A or 30V DC 10A). Anti-reverse voltage input circuit, worry-free wiring. Modules can be triggered using the normally open type switch or a sensor. Signal input optocoupler isolation, anti-interference ability. With a delay regulating potentiometer, the regulation time will be longer. Specifications: Material: Metal, Plastic, Electronic Parts Color: Blue Size: Approx. 56* 30 * 18 mm Package Included: 1 *Â DC 12V Timer Delay Module Note: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. We offer you what you need! DC 12V Time Delay Relay Module Circuit Timer Timing Board Switch Trigger Tool.High current load (250V AC 10A or 30V DC 10A). Signal input optocoupler isolation, anti-interference ability. Modules can be triggered using the normally open type switch or a sensor. We want to make sure you are happy with our item.