{"product_id":"y901-l-wireless-alarm-lora","title":"Wireless Auto Relay Alarm","description":"\u003cp dir=\"auto\"\u003e \u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0796\/5563\/3138\/files\/1_2d41c073-370b-40a3-bc34-03e27c09be78.png?v=1776867490\" alt=\"\"\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eY901 Wireless Networking Intelligent Alarm | Multi-Point Trigger · Full Network Synchronization · IP67 Waterproof\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch4 dir=\"auto\"\u003e Product Overview\u003c\/h4\u003e\n\u003cp dir=\"auto\"\u003eIn complex industrial environments such as tunnels, factories, underground pipe galleries, and construction sites, traditional alarm systems often suffer from critical pain points including “local alarm only, no network awareness”, difficult wiring, and slow linkage response. This frequently results in delayed full-team response when anomalies occur, missing the optimal window for handling emergencies.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe \u003cstrong\u003eY901 Wireless Networking Intelligent Alarm\u003c\/strong\u003e is an integrated wireless alarm terminal that combines a self-locking switch, audible-visual alarm, and wireless linkage control. It supports two communication methods: \u003cstrong\u003e4G (Y901-G)\u003c\/strong\u003e and \u003cstrong\u003eLoRa (Y901-L)\u003c\/strong\u003e, with an IP67 waterproof rating. It enables \u003cstrong\u003e“one point trigger, full network synchronous alarm”\u003c\/strong\u003e, effectively solving the problems of poor information transmission and slow response in long-distance and multi-node scenarios, providing a reliable emergency alarm solution for industrial sites.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch4 dir=\"auto\"\u003eKey Features\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e1.Full Network Synchronous Alarm\u003c\/strong\u003e: When any node is triggered, all nodes in the network immediately activate audible and visual alarms simultaneously, achieving true one-point trigger and full-network response.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2.Automatic Relay Networking\u003c\/strong\u003e: Supports wireless automatic networking and intelligent relay. The system automatically selects the optimal communication path to significantly extend coverage, making it ideal for long-distance or obstructed complex environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3.Self-Locking Persistent Trigger\u003c\/strong\u003e: Built-in self-locking switch maintains the alarm state after activation until all trigger sources are reset, allowing the entire network alarm to stop synchronously — convenient for prolonged on-site assistance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4.Flexible External Input\u003c\/strong\u003e: Supports external dry contact inputs, compatible with door magnetic sensors, float switches, relay contacts, and other signals to meet various on-site requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5.Industrial-Grade Protection \u0026amp; Ease of Use\u003c\/strong\u003e: IP67 waterproof and dustproof rating, wide voltage 9~36V DC power supply, ready-to-use design with no additional host required, enabling simple and reliable installation and deployment.\u003c\/p\u003e\n\u003ch3 style=\"text-align: left;\" dir=\"auto\"\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch4 dir=\"auto\"\u003e3. Technical Specifications\u003c\/h4\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003ctable dir=\"auto\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\" data-col-size=\"md\"\u003e\n\u003ch5\u003eCategory\u003c\/h5\u003e\n\u003c\/th\u003e\n\u003cth style=\"text-align: left;\" data-col-size=\"md\"\u003e\n\u003ch5\u003eParameter\u003c\/h5\u003e\n\u003c\/th\u003e\n\u003cth style=\"text-align: left;\" data-col-size=\"lg\"\u003e\n\u003ch5\u003eSpecification\u003c\/h5\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eCommunication\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eCommunication Method\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e4G (Y901-G) \/ LoRa (Y901-L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eNetwork Architecture\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eNetworking\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eMulti-node wireless networking + automatic relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003ePower Supply\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e9~36V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eTrigger Input\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eTrigger Mode\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eBuilt-in self-locking switch + external dry contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eAlarm Output\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eAudible \u0026amp; Visual Alarm\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e95dB intermittent buzzer + red flashing light\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eLinkage Logic\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eAlarm Linkage\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eAny node trigger → All nodes synchronous alarm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eReset Logic\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eAlarm Reset\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eAll trigger sources reset → Network alarm stops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eTemperature Range\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e-20°C ~ +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eOperating Humidity\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eHumidity Range\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e10~90% RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eProtection Rating\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eWaterproof \u0026amp; Dustproof\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch4 dir=\"auto\"\u003e4. Application Scenarios\u003c\/h4\u003e\n\u003cp\u003e* Long-distance emergency alarm in tunnels, underground passages, and pipe galleries\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e* Multi-point linkage alarm for dispersed locations in factories, machine rooms, and pump houses\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e* One-key help and warning in construction sites, inspection routes, and hazardous areas\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e* Wireless interlock alarm for multi-point scenarios where wiring is difficult\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e* Alarm applications in humid, dusty, or outdoor environments requiring high waterproof protection\u003c\/p\u003e\n\u003ch4 dir=\"auto\"\u003e\u003c\/h4\u003e","brand":"YenGear Store","offers":[{"title":"Default Title","offer_id":49099638374642,"sku":null,"price":67.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/5563\/3138\/files\/1-_5km.png?v=1776867536","url":"https:\/\/store.yengear.com\/products\/y901-l-wireless-alarm-lora","provider":"YenGear Store","version":"1.0","type":"link"}