{"product_id":"smfy-tlc2502-5g","title":"Dual-Band Wi-Fi Water Tank Level Sensor — TLC2502-5G","description":"\u003carticle class=\"smfy-catalog-v5\" lang=\"en\" dir=\"ltr\" data-smartify-theme=\"adaptive-v1\"\u003e\n\u003cnav class=\"sd-nav\"\u003e\u003ca href=\"#tlc2502-5g-en-overview\"\u003eOverview\u003c\/a\u003e\u003ca href=\"#tlc2502-5g-en-requirements\"\u003eRequirements\u003c\/a\u003e\u003ca href=\"#tlc2502-5g-en-specs\"\u003eSpecifications\u003c\/a\u003e\u003ca href=\"#tlc2502-5g-en-usage\"\u003eInstallation\u003c\/a\u003e\u003ca href=\"#tlc2502-5g-en-faq\"\u003eFAQs\u003c\/a\u003e\u003c\/nav\u003e\n\u003cdiv class=\"sd-intro\" id=\"tlc2502-5g-en-overview\"\u003e\u003ch2\u003eCheck your tank level from your phone\u003c\/h2\u003e\u003cp\u003eMonitor your water tank through Tuya Smart or Smart Life. Mounted above the water, this ultrasonic sensor measures the distance to the surface without touching it, helping you follow water use and filling from your phone.\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv class=\"sd-features\"\u003e\n\u003csection\u003e\u003csvg viewBox=\"0 0 100 100\" fill=\"none\" stroke=\"#65afe5\" stroke-width=\"3\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\" focusable=\"false\"\u003e\u003crect x=\"24\" y=\"12\" width=\"52\" height=\"76\" rx=\"9\"\/\u003e\u003cpath d=\"M25 51q12-10 25 0t25 0M25 66q12-10 25 0t25 0M37 25h26\"\/\u003e\u003c\/svg\u003e\u003ch3\u003eDual-band Wi-Fi\u003c\/h3\u003e\u003cp\u003eConnect to a 2.4 or 5 GHz Wi-Fi network. The 5G model suffix refers to Wi-Fi frequency; no mobile SIM is required.\u003c\/p\u003e\u003c\/section\u003e\n\u003csection\u003e\u003csvg viewBox=\"0 0 100 100\" fill=\"none\" stroke=\"#65afe5\" stroke-width=\"3\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\" focusable=\"false\"\u003e\u003cpath d=\"M15 35q35-30 70 0M25 48q25-22 50 0M37 61q13-12 26 0\"\/\u003e\u003ccircle cx=\"50\" cy=\"76\" r=\"5\"\/\u003e\u003c\/svg\u003e\u003ch3\u003eUp to 4 metres\u003c\/h3\u003e\u003cp\u003eMeasure sensor-to-water distances from 10 cm to 4 metres and view the tank level in the app.\u003c\/p\u003e\u003c\/section\u003e\n\u003csection\u003e\u003csvg viewBox=\"0 0 100 100\" fill=\"none\" stroke=\"#65afe5\" stroke-width=\"3\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\" focusable=\"false\"\u003e\u003cpath d=\"M25 65V40a25 25 0 0 1 50 0v25l10 12H15ZM40 86h20\"\/\u003e\u003c\/svg\u003e\u003ch3\u003eAdjustable level alerts\u003c\/h3\u003e\u003cp\u003eSet high and low thresholds and configure app notifications to match your tank and routine.\u003c\/p\u003e\u003c\/section\u003e\n\u003csection\u003e\u003csvg viewBox=\"0 0 100 100\" fill=\"none\" stroke=\"#65afe5\" stroke-width=\"3\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\" focusable=\"false\"\u003e\u003crect x=\"23\" y=\"10\" width=\"54\" height=\"80\" rx=\"9\"\/\u003e\u003cpath d=\"M36 23h28M41 77h18M34 58l12-13 10 7 12-18\"\/\u003e\u003c\/svg\u003e\u003ch3\u003eContactless installation\u003c\/h3\u003e\u003cp\u003eMount above the tank with the sensor facing the water. The sensor has an IP67 rating; protect its power connections separately.\u003c\/p\u003e\u003c\/section\u003e\n\u003c\/div\u003e\n\u003csection class=\"sd-use\" id=\"tlc2502-5g-en-requirements\" tabindex=\"-1\"\u003e\u003ch3\u003eWhat you need to get started\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eReliable Wi-Fi at the sensor and internet access for remote monitoring.\u003c\/li\u003e\u003cli\u003eDC 5V \/ 1A power; keep the adapter and connections dry and protected.\u003c\/li\u003e\u003cli\u003eAt least 10 cm clearance above the highest water level.\u003c\/li\u003e\u003cli\u003ePump operation requires separate compatible control equipment and configuration.\u003c\/li\u003e\u003c\/ul\u003e\u003c\/section\u003e\n\u003csection class=\"sd-specs\" id=\"tlc2502-5g-en-specs\"\u003e\n\u003csection\u003e\u003ch3\u003eModel and measurement\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth scope=\"row\"\u003eModel\u003c\/th\u003e\u003ctd\u003eTLC2502-5G\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth scope=\"row\"\u003eMeasurement\u003c\/th\u003e\u003ctd\u003eContactless ultrasonic\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth scope=\"row\"\u003eConnection\u003c\/th\u003e\u003ctd\u003eWi-Fi 2.4 \/ 5 GHz\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth scope=\"row\"\u003eApp\u003c\/th\u003e\u003ctd\u003eTuya Smart \/ Smart Life\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth scope=\"row\"\u003eMeasuring range\u003c\/th\u003e\u003ctd\u003e0.1–4 m\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth scope=\"row\"\u003ePower\u003c\/th\u003e\u003ctd\u003eDC 5V \/ 1A\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/section\u003e\n\u003csection\u003e\u003ch3\u003eConnection and operation\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth scope=\"row\"\u003eUltrasonic frequency\u003c\/th\u003e\u003ctd\u003e40 kHz\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth scope=\"row\"\u003eMeasurement tolerance\u003c\/th\u003e\u003ctd\u003e±(1% of reading + 10 mm)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth scope=\"row\"\u003eOperating temperature\u003c\/th\u003e\u003ctd\u003e-10 to 70°C\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth scope=\"row\"\u003eSensor protection\u003c\/th\u003e\u003ctd\u003eIP67\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth scope=\"row\"\u003eAlerts\u003c\/th\u003e\u003ctd\u003eHigh and low water level\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/section\u003e\n\u003c\/section\u003e\n\u003csection class=\"sd-use\" id=\"tlc2502-5g-en-usage\" tabindex=\"-1\"\u003e\u003ch3\u003eSet up for a stable reading\u003c\/h3\u003e\u003col\u003e\u003cli\u003eMount straight above the water, away from the inlet and internal obstructions.\u003c\/li\u003e\u003cli\u003ePair with the app and enter the sensor-to-bottom distance and full-water position.\u003c\/li\u003e\u003cli\u003eConfigure notifications and check readings at different water levels.\u003c\/li\u003e\u003c\/ol\u003e\u003c\/section\u003e\n\u003csection class=\"sd-faq\" id=\"tlc2502-5g-en-faq\" tabindex=\"-1\"\u003e\u003ch3\u003eQuestions to help you choose\u003c\/h3\u003e\u003carticle\u003e\u003ch3\u003eDoes it need a hub?\u003c\/h3\u003e\u003cp\u003eIt connects directly to suitable Wi-Fi through Tuya Smart or Smart Life.\u003c\/p\u003e\u003c\/article\u003e\u003carticle\u003e\u003ch3\u003eDoes 5G mean mobile data?\u003c\/h3\u003e\u003cp\u003eIt means 5 GHz Wi-Fi support, alongside 2.4 GHz Wi-Fi.\u003c\/p\u003e\u003c\/article\u003e\u003carticle\u003e\u003ch3\u003eCan it run a pump by itself?\u003c\/h3\u003e\u003cp\u003eIt measures level and provides alerts. Pump operation requires separate compatible control equipment.\u003c\/p\u003e\u003c\/article\u003e\u003c\/section\u003e\n\u003c\/article\u003e\u003cstyle\u003e.smfy-catalog-v5{--ink:#20313e;--muted:#586c79;--surface:#fff;--line:#dce7ee;--accent:#65afe5;--notice:#fff9e8;color:var(--ink);background:var(--surface);width:100%;max-width:none;padding:20px 12px;box-sizing:border-box;font-size:16px;line-height:1.8;font-family:inherit;overflow-wrap:anywhere}\n.smfy-catalog-v5 *{box-sizing:border-box}.smfy-catalog-v5 h2,.smfy-catalog-v5 h3,.smfy-catalog-v5 p{color:inherit;margin:0 0 12px}.smfy-catalog-v5 h2,.smfy-catalog-v5 h3{font-weight:500;line-height:1.5}.smfy-catalog-v5 bdi{unicode-bidi:isolate}.smfy-catalog-v5 .sd-intro{text-align:center;padding:24px 0 28px}.smfy-catalog-v5 .sd-intro h2{font-size:clamp(28px,3vw,42px);max-width:850px;margin:0 auto 18px}.smfy-catalog-v5 .sd-intro p{max-width:1000px;margin:0 auto;color:var(--muted);font-size:18px}.smfy-catalog-v5 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