Features:<br> USB 5V adjustable timer power-off switching control cable, countdown timer from 5 minutes to 24 hours and 55 minutes, timer power-off switching wire.<br> Equipped with digital display screen, time progress can be viewed in real-time, making it more intuitive.<br> Supports 5V2A, plug and play, with a total cable length of 140cm; does not support data transmission function.<br> Compact design, easy to carry and use.<br> Suitable for USB fans, blowers, USB water pumps, USB lights, fish tanks, and other USB-powered devices.<br> Specifications:<br> Material: Plastic<br> Color: Black<br> Middle Part Size: approx. 7x2.7x1.6cm / 2.76x1.06x0.63inch<br> Double Side Cable Length: approx. 70cm / 27.56inch<br> Interfaces: USB Male to Female<br> Voltage: 5V<br> Hour Threshold: 1 hour<br> Minute Threshold: 5 minutes<br> Note:<br> Please allow 1-2cm errors due to manual measurement.<br> Please allow for slight color differences due to different display resolutions.<br> Package Includes:<br> 1 Piece USB Countdown Switching Control Cable