Features: The Microcomputer Smart Time Delay Relays offer precise interval control with three voltages option(DC12V/24V, AC110 220V), featuring programmable ON/OFF cycles and repeat settings for automated device management. This plastic cases relays supports large time spans while operate through switches optimization. Ideal for electricians, facility managers, and smart home enthusiasts requiring automation solution for industrial equipment, security systems, or energy saving applications. Perfect for scheduling lighting systems, irrigation controls, or HVAC units in residential/commercial spaces, ensuring seamless operate without manual intervention. Its compact design integrates "time delay relays" functionality with programmable timer switches versatility, making it a must have "smart automation kit" component for precisions driven electrical projects. Specifications: Component: Plastic Working voltages: DC12V, DC24V, AC110~220V Load power: 240W, 480W, 2200W (The bearing power is marked with the label) Minimum unit: 1 second error: 20ppn Timed power-on: Support Timed shutdown: Support Size: about. 67x45x34mm/2.64x1.77x1.34in Pattern: 3 pattern optional Package Includes: 1pc Delay Module note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.