{"product_id":"24h-digital-countdown-timer-usb-switch-auto-shutdown","title":"24H USB Countdown Timer Switch – Auto Shutdown for Home","description":"\u003cp\u003eTake control of your USB-powered devices with this \u003cstrong\u003e24-Hour Digital Countdown Timer USB Switch\u003c\/strong\u003e. Set a precise shutdown schedule — down to 5-minute increments — and let the timer automatically cut power when your time is up. Perfect for home offices, bedrooms, study rooms, and anywhere you want smart, hands-free power management.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e24-Hour Adjustable Countdown:\u003c\/strong\u003e Set any combination of hours (1H increments) and minutes (5-min increments) up to 24 hours total.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntuitive Digital Display:\u003c\/strong\u003e A clear LED screen shows your countdown in real time so you always know exactly how much time remains.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimple Knob Control:\u003c\/strong\u003e Press the knob once to toggle between hours and minutes; rotate to adjust the value — no complicated menus.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto Power-Off:\u003c\/strong\u003e Press and hold the knob for 3 seconds to manually power off at any time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlug \u0026amp; Play USB Interface:\u003c\/strong\u003e USB male-to-female pass-through design means no installation — just plug your device in and set your timer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5V Low-Voltage Safe Operation:\u003c\/strong\u003e Designed for standard USB 5V devices, keeping your setup safe and energy-efficient.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePortable \u0026amp; Compact:\u003c\/strong\u003e Lightweight plastic body fits neatly on any desk, nightstand, or workspace.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e USB Male \/ Female (pass-through)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 5V DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax Timer Range:\u003c\/strong\u003e 24 Hours\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHour Increment:\u003c\/strong\u003e 1 Hour\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinute Increment:\u003c\/strong\u003e 5 Minutes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Required:\u003c\/strong\u003e No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e 1 or 2 pcs (as selected)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003ePlug the timer between your USB power source and your USB device.\u003c\/li\u003e\n  \u003cli\u003ePress the knob once to select \u003cstrong\u003eHours\u003c\/strong\u003e mode; rotate to set desired hours.\u003c\/li\u003e\n  \u003cli\u003ePress the knob again to switch to \u003cstrong\u003eMinutes\u003c\/strong\u003e mode; rotate to set desired minutes.\u003c\/li\u003e\n  \u003cli\u003eWait 5 seconds — the \":\" on the display will begin flashing, indicating the countdown has started.\u003c\/li\u003e\n  \u003cli\u003eThe timer will automatically cut power to your device when the countdown reaches zero.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eGreat For\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eAuto-shutting off phone\/tablet chargers after a set charge time\u003c\/li\u003e\n  \u003cli\u003eControlling desk fans, LED strips, or USB lamps on a schedule\u003c\/li\u003e\n  \u003cli\u003eLimiting screen or device usage for study or sleep routines\u003c\/li\u003e\n  \u003cli\u003eOffice hotdesks and shared workspaces requiring timed device control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLooking for more handy gadgets? Check out our \u003ca href=\"\/products\/clip-on-car-fan-led-display-199-speeds-usb-type-c\"\u003eClip-On Car Fan with LED Display \u0026amp; USB\/Type-C Power\u003c\/a\u003e or explore our \u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester for Circuit Fault Detection\u003c\/a\u003e for more smart electronics solutions.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What types of USB devices can I use with this digital countdown timer switch?\u003c\/h4\u003e\n\u003cp\u003eA: This USB countdown timer switch works with any standard 5V USB-powered device, including phone chargers, USB fans, LED desk lamps, USB hubs, and similar low-voltage accessories. It is not designed for high-current or non-USB devices.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I start the countdown timer after setting the time?\u003c\/h4\u003e\n\u003cp\u003eA: After adjusting your desired hours and minutes using the knob, simply leave the timer alone for 5 seconds. The colon (\":\") on the digital display will begin flashing to confirm the countdown has started automatically.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I stop the timer early without waiting for the countdown to finish?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Press and hold the knob for 3 seconds at any point during the countdown to manually power off the connected device immediately.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this USB timer switch require any batteries or external power?\u003c\/h4\u003e\n\u003cp\u003eA: No batteries are required. The timer draws its operating power directly from the USB connection, making it completely plug-and-play with no setup or charging needed.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What types of USB devices can I use with this digital countdown timer switch?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This USB countdown timer switch works with any standard 5V USB-powered device, including phone chargers, USB fans, LED desk lamps, USB hubs, and similar low-voltage accessories. It is not designed for high-current or non-USB devices.\"}}, {\"@type\": \"Question\", \"name\": \"How do I start the countdown timer after setting the time?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"After adjusting your desired hours and minutes using the knob, simply leave the timer alone for 5 seconds. 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The timer draws its operating power directly from the USB connection, making it completely plug-and-play with no setup or charging needed.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"24H USB Countdown Timer Switch – Auto Shutdown for Home\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/24h-digital-countdown-timer-usb-switch-auto-shutdown\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"1Pcs","offer_id":44167818805335,"sku":"14:350686#1Pcs","price":23.12,"currency_code":"USD","in_stock":true},{"title":"2Pcs","offer_id":44167818838103,"sku":"14:350850#2Pcs","price":52.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6008\/7383\/files\/Sbf1cf9c338ee483789b4ec8456c5bd2cj.webp?v=1786764077","url":"https:\/\/axlcustomersupport.com\/products\/24h-digital-countdown-timer-usb-switch-auto-shutdown","provider":"Axl","version":"1.0","type":"link"}