Features: The USB Timer Cable features a 1-24 hour digital countdown cycle with auto restarting, enabling precise control for devices like aquariums and LED lights through its 24 adjustable intervals and voltages matching 5V2A input/output. Equipped with a clearly digital display and simple button controls, this 60cm plastic built cycle timer switching offer plug and play operate while maintaining input voltages consistency for safe device management. Ideal for home users and office professional seeking automated energy solution, it effortlessly manages aquarium pumps, desk fans, charging stations, and kitchen appliances without technical expertise. Perfect for optimizing fish tanks lighting schedules, cooling computer fans overnight, or automating LED displays in retail environments while conserving space in tight workstation setups. Its programmable shutdown function prevents electronic wear by eliminating unnecessary, effectively extending equipment lifespans while reducing energy consumption through cycle scheduling. Specifications: Component: Plastic Length:Approx.60cm/23.62inch Interfaces: USB male input, USB female output Time: 1-24hours Note that the working time is different every day, for example, set 4 hours at 10 o'clock, turn off at 14 o'clock, automatically restarting the timing line at 14 o'clock the next day, and end the timing at 18 o'clock. Package Includes: 1pc USB Power Cord note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.