{"product_id":"cordless-window-cleaning-robot-app-remote-control-1","title":"Cordless Window Cleaning Robot – APP \u0026 Remote Control","description":"\n\u003ch2\u003eMeet Your New Window Cleaning Companion\u003c\/h2\u003e\n\u003cp\u003eTake the effort out of sparkling windows with this \u003cstrong\u003eCordless Electric Window Cleaning Robot\u003c\/strong\u003e (Model HCR-21). Engineered for both indoor and outdoor glass surfaces, this smart robot glides effortlessly across windows, glass walls, and frameless surfaces — leaving streak-free results every time. Simply set it, control it via the dedicated app or included remote, and let it do the work.\u003c\/p\u003e\n\n\u003cp\u003eMade in Guangdong, China.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmart APP \u0026amp; Remote Control:\u003c\/strong\u003e Operate hands-free from your smartphone or use the included remote for instant command.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2,800 Pa Suction Force:\u003c\/strong\u003e Powerful suction keeps the robot firmly secured to glass at all angles — vertical, diagonal, or horizontal.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic \u0026amp; Frameless Edge Detection:\u003c\/strong\u003e Intelligent sensors detect window edges and borders automatically, preventing falls and ensuring complete coverage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Water Spray System:\u003c\/strong\u003e Integrated spray function dampens the cleaning pad for a thorough, streak-free clean on every pass.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuper Slim Design (75 mm):\u003c\/strong\u003e The ultra-thin profile (216 × 216 × 75 mm) allows the robot to reach tight corners and edge-to-edge coverage with ease.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCordless Freedom:\u003c\/strong\u003e A 500 mAh backup battery keeps the robot safely suctioned to the glass during any brief power interruption — no accidental drops.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Noise Operation:\u003c\/strong\u003e Operates at just 65 dB — quiet enough to use while you work, relax, or watch TV.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1-Year Warranty:\u003c\/strong\u003e Backed by full manufacturer support for 12 months from purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"border-collapse:collapse; width:100%;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n      \u003ctd style=\"padding:8px; font-weight:bold; border:1px solid #ddd;\"\u003eModel\u003c\/td\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eHCR-21\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:8px; font-weight:bold; border:1px solid #ddd;\"\u003eInput Voltage\u003c\/td\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eAC 100–240V, 50\/60 Hz\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n      \u003ctd style=\"padding:8px; font-weight:bold; border:1px solid #ddd;\"\u003eRated Power\u003c\/td\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e72 W\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:8px; font-weight:bold; border:1px solid #ddd;\"\u003eSuction Force\u003c\/td\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e2,800 Pa\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n      \u003ctd style=\"padding:8px; font-weight:bold; border:1px solid #ddd;\"\u003eBackup Battery\u003c\/td\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e500 mAh (safety retention)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:8px; font-weight:bold; border:1px solid #ddd;\"\u003eCharging Time\u003c\/td\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e4 Hours\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n      \u003ctd style=\"padding:8px; font-weight:bold; border:1px solid #ddd;\"\u003eDimensions\u003c\/td\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e216 × 216 × 75 mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:8px; font-weight:bold; border:1px solid #ddd;\"\u003eNet Weight\u003c\/td\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e1,030 g\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n      \u003ctd style=\"padding:8px; font-weight:bold; border:1px solid #ddd;\"\u003eNoise Level\u003c\/td\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e65 dB\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:8px; font-weight:bold; border:1px solid #ddd;\"\u003eControl Mode\u003c\/td\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eAPP + Remote Control\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n      \u003ctd style=\"padding:8px; font-weight:bold; border:1px solid #ddd;\"\u003eCertifications\u003c\/td\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eCB, CE, 3C, RoHS, EMC, FCC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:8px; font-weight:bold; border:1px solid #ddd;\"\u003eColor\u003c\/td\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eWhite\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n      \u003ctd style=\"padding:8px; font-weight:bold; border:1px solid #ddd;\"\u003eWarranty\u003c\/td\u003e\n      \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e1 Year\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePerfect For\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-rise apartment and office building windows\u003c\/li\u003e\n  \u003cli\u003eFloor-to-ceiling glass panels and glass walls\u003c\/li\u003e\n  \u003cli\u003eSkylights and hard-to-reach exterior glass surfaces\u003c\/li\u003e\n  \u003cli\u003eFrameless glass enclosures and shower screens\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eYou May Also Like\u003c\/h2\u003e\n\u003cp\u003eLooking for more smart home solutions? Browse our popular items:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/womens-high-waist-elastic-skinny-jeans-slim-stretch-denim-pants\"\u003eWomen's High-Waist Elastic Skinny Jeans | Slim Stretch Denim\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/pesticide-registration\/selected-epa-registered-disinfectants\" target=\"_blank\" rel=\"noopener\"\u003eEPA registered disinfectants\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: How does the window cleaning robot stay attached to the glass?\u003c\/h4\u003e\n\u003cp\u003eA: The window cleaning robot uses a powerful 2,800 Pa motorized suction system to maintain a firm grip on glass surfaces at any angle — vertical, horizontal, or diagonal. A 500 mAh backup battery ensures the suction motor keeps running even during a brief power interruption, keeping the robot securely on the window at all times.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Which surfaces can this cordless window robot clean?\u003c\/h4\u003e\n\u003cp\u003eA: The HCR-21 window cleaning robot is designed for smooth glass surfaces including standard framed windows, frameless glass panels, glass walls, and exterior glass. The automatic edge detection system identifies borders and stops the robot from going beyond the glass edge.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I control the window cleaning robot?\u003c\/h4\u003e\n\u003cp\u003eA: You have two convenient control options. Use the dedicated smartphone app for full smart control and scheduling, or use the included remote control for direct, hands-on operation — whichever suits your preference best.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What certifications does this window robot carry?\u003c\/h4\u003e\n\u003cp\u003eA: The HCR-21 window cleaning robot is certified to CB, CE, 3C, RoHS, EMC, and FCC standards, ensuring it meets rigorous international safety and quality requirements.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the window cleaning robot easy to set up?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Simply attach the cleaning pad, connect the safety tether (recommended for high windows), place the robot on the glass, and it will self-suction into position. Download the app for guided setup or use the remote to start immediately.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How does the window cleaning robot stay attached to the glass?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The window cleaning robot uses a powerful 2,800 Pa motorized suction system to maintain a firm grip on glass surfaces at any angle — vertical, horizontal, or diagonal. 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