{"product_id":"esmarter-y41-mini-keychain-flashlight-usb-c-ip66-waterproof-magnetic-uv","title":"ESMARTER Y41 Mini Keychain Flashlight | USB-C, IP66, UV","description":"\n\u003cp\u003eMeet your ultimate everyday carry companion — the \u003cstrong\u003eESMARTER Y41 Mini Keychain Flashlight\u003c\/strong\u003e. Barely wider than a finger and weighing just 18g, this compact torch punches well above its size with a blazing \u003cstrong\u003e400-lumen output\u003c\/strong\u003e, multi-mode side lights, a built-in magnet, and rapid USB-C charging. Whether you're navigating a dark campsite, inspecting gear, or need a hands-free emergency signal light, the Y41 has you covered.\u003c\/p\u003e\n\n\u003ch2\u003eWhy You'll Love the ESMARTER Y41\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrilliant 400LM Main Beam:\u003c\/strong\u003e Five brightness modes — Ultra Bright (400LM), High (290LM), Medium (87LM), Low (25LM), and Eco (2LM) — with up to 32 hours of battery life on the energy-saving setting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Side Lights:\u003c\/strong\u003e White, white strobe, UV\/violet, red, red strobe, and alternating red-blue flash modes make this a genuine multi-tool light for currency \u0026amp; fluorescent-agent checking and roadside visibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMagnetic Tail:\u003c\/strong\u003e The built-in tail magnet lets you attach the flashlight hands-free to metal surfaces — great for under-hood checks, tent poles, or emergency roadside use combined with the warning-flash modes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Fast USB-C Charging:\u003c\/strong\u003e The 500mAh polymer lithium battery fully charges in just \u003cstrong\u003e35 minutes\u003c\/strong\u003e via the Type-C port. A colour indicator turns red while charging and green when full.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIP66 Waterproof \u0026amp; Drop-Resistant:\u003c\/strong\u003e Rated IP66 against powerful water jets and tested to withstand drops from 1.5 metres — built tough for the outdoors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKeychain Ready:\u003c\/strong\u003e At only 15.6 × 60.5 mm, it slips onto your keys, bag, or lanyard with zero bulk.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRoHS Certified:\u003c\/strong\u003e Meets international safety and environmental standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFull Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eY41 (T20 LED)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Brightness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e400 LM\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6500K\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBody Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePC + 304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15.6 × 60.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18 g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500mAh Polymer Lithium\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging Port\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB-C (5V \/ 500mA input)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharge Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~35 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWaterproof Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP66\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDrop Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5 m\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-10°C ~ 40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eExplore More Useful Gear\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-2m-carbon-fiber-invisible-selfie-stick-monopod-dji-insta360-gopro\"\u003e1.2M Carbon Fiber Invisible Selfie Stick for DJI \u0026amp; Insta360\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-32-inch-amoled-smart-watch-bluetooth-call-fitness-tracker-ios-android\"\u003e1.32″ AMOLED Smart Watch – Bluetooth Call, Fitness \u0026amp; Health Tracker\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-100mm-tiny-digital-vernier-caliper-portable-measuring-tool\"\u003e0–100mm Tiny Digital Vernier Caliper | Portable Measuring Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor guidance on safe use of portable lighting and battery-powered devices, visit the U.S. Consumer Product Safety Commission – Battery Safety.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: How long does the ESMARTER Y41 keychain flashlight take to fully charge?\u003c\/h4\u003e\n\u003cp\u003eA: The built-in 500mAh polymer lithium battery charges fully in approximately 35 minutes using a standard USB-C cable. The LED indicator glows red during charging and switches to green when complete.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the Y41 mini flashlight safe to use in rain or wet conditions?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The Y41 carries an IP66 waterproof rating, meaning it is protected against powerful water jets from any direction. It is also drop-tested to 1.5 metres, making it a reliable companion for outdoor and camping use.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What are the side-light modes used for on the ESMARTER Y41?\u003c\/h4\u003e\n\u003cp\u003eA: The side lights offer six modes: steady white, white strobe, UV\/violet (ideal for checking banknotes or detecting fluorescent agents), steady red, red strobe, and alternating red-blue flash. The magnetic tail combined with the flashing modes makes it a compact emergency warning tool when attached to a vehicle or metal surface.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can the Y41 flashlight fit on a standard keyring?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. At just 15.6 × 60.5 mm and 18 grams, it is designed specifically to clip onto a keychain, bag zip, or lanyard without adding noticeable weight or bulk.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How long does the ESMARTER Y41 keychain flashlight take to fully charge?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The built-in 500mAh polymer lithium battery charges fully in approximately 35 minutes using a standard USB-C cable. 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