Digital Display USB Timer PowerOff Control Cable Realtime monitoring with builtin digital display. The clear screen shows countdown progress, allowing you to check the remaining time at a glance for better control and planning. Adjustable countdown range from 5 minutes up to 24 hours and 55 minutes, giving you flexibility to suit different needs whether for short sessions or extended usage. Automatic poweroff switching function helps prevent devices from running unnecessarily, saving energy and protecting equipment. Compact, lightweight design makes it easy to carry and store. Ideal for use at home, in the office, or while traveling. Supports 5V 2A power input. Simple plugandplay operation without complicated setup. Total cable length is 40 cm for convenient positioning. Note: This cable does not support data transmission. It is designed solely for timed power control. Practical applications: 1. Safely power off small USBpowered fans, lights, or desk gadgets after a set period to avoid overheating or unnecessary operation. 2. Automatically switch off USB chargers to prevent overcharging devices such as Bluetooth headphones or wearable electronics. 3. Manage working times for USBpowered tools or appliances in shared spaces, ensuring equal access and reducing power waste. Built for reliability and ease of use, this USB timer poweroff control cable offers a precise, simple, and portable solution for timed device operation.