{"product_id":"17329030","title":"Wireless GSM Remote Relay Switch Controller","description":"\u003cdiv\u003e\n  \u003ch2\u003eProduct Features\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eOperate anywhere, without distance limitations.\u003c\/li\u003e\n    \u003cli\u003eSupports up to 200 authorized phone numbers. The first three numbers receive SMS alerts, while numbers four to six receive calls during alarms. Authorized numbers (1-200) can control Relay0 by calling T201.\u003c\/li\u003e\n    \u003cli\u003eExternal AC\/DC power status monitoring. Power changes trigger SMS alerts and calls to six preset numbers.\u003c\/li\u003e\n    \u003cli\u003eCustomizable timer reports for periodic status updates via SMS to six mobile phones.\u003c\/li\u003e\n    \u003cli\u003eRemote access to historical data via SMS.\u003c\/li\u003e\n    \u003cli\u003eAutomated system links to Relay1 for status-based actions (temperature or power supply changes).\u003c\/li\u003e\n    \u003cli\u003eAlarm output activation for 30 seconds upon alarm occurrence.\u003c\/li\u003e\n    \u003cli\u003eInternal rechargeable battery supports up to six hours of operation.\u003c\/li\u003e\n    \u003cli\u003eSecurity features include caller ID and password protection, ignoring unknown callers.\u003c\/li\u003e\n    \u003cli\u003eProgram with SMS commands using password protection.\u003c\/li\u003e\n    \u003cli\u003eCompatible with various applications: temperature, power status, solar panels, and DC voltage.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n  \u003col\u003e\n    \u003cli\u003eRead the user manual thoroughly before setup.\u003c\/li\u003e\n    \u003cli\u003eConceal the system during installation.\u003c\/li\u003e\n    \u003cli\u003ePrevent water exposure to control unit.\u003c\/li\u003e\n    \u003cli\u003eEnsure main power connection is secure.\u003c\/li\u003e\n  \u003c\/ol\u003e\n\n  \u003ch3\u003eSpecifications\u003c\/h3\u003e\n  \u003ctable\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProduct Name\u003c\/td\u003e\n      \u003ctd\u003eMonitoring Relay\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRated Voltage\u003c\/td\u003e\n      \u003ctd\u003eDC 9V~24V \/ 1A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eWorking Temperature\u003c\/td\u003e\n      \u003ctd\u003e-10℃~+60℃\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eStorage Temperature\u003c\/td\u003e\n      \u003ctd\u003e-20℃~+60℃\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRelative Humidity\u003c\/td\u003e\n      \u003ctd\u003e10-90%, No Condensation\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eWorking Frequency\u003c\/td\u003e\n      \u003ctd\u003eGSM: 850\/900\/1800\/1900MHz; 3G WCDMA: 900\/2100 MHz UMTS; 3G CDMA2000: 850\/1900MHz UMTS; 3G: 850\/2100MHz UMTS\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCommunication Protocol\u003c\/td\u003e\n      \u003ctd\u003eGSM PHASE 2\/2 + (including data service)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRelative Voltage of Output Relay\u003c\/td\u003e\n      \u003ctd\u003e3A \/ 240V AC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSIM Card\u003c\/td\u003e\n      \u003ctd\u003eNano type, 3V\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eAntenna\u003c\/td\u003e\n      \u003ctd\u003e50Ω SMA\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eWired Switch\u003c\/td\u003e\n      \u003ctd\u003eSupport\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eTemperature Sensor\u003c\/td\u003e\n      \u003ctd\u003eTemperature: -55℃~+125℃; ±0.1℃\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eAlarm Output\u003c\/td\u003e\n      \u003ctd\u003eOutput Voltage = DC Input Voltage, Current: \u0026lt; 1A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBackup Battery\u003c\/td\u003e\n      \u003ctd\u003e3.7V \/ 1000mAH (Optional)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMaterial\u003c\/td\u003e\n      \u003ctd\u003eABS\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eItem Size\u003c\/td\u003e\n      \u003ctd\u003eApprox. 8.8 * 7.3 * 6 cm \/ 3.5 * 2.9 * 2.4 in\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003ePackage Information\u003c\/h3\u003e\n  \u003cp\u003ePackage Size: Approx. 12.5 * 9.3 * 7 cm \/ 4.9 * 3.7 * 2.8 in\u003c\/p\u003e\n  \u003cp\u003ePackage Weight: Approx. 215g \/ 7.6oz\u003c\/p\u003e\n\n  \u003ch3\u003eNote\u003c\/h3\u003e\n  \u003cp\u003ePlease allow 0-1cm error due to manual measurement. Ensure compatibility before purchasing. Due to monitor differences, the item's color may vary in person.\u003c\/p\u003e\n\n  \u003ch3\u003ePackage List\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 x GSM Temperature Alarm Relay\u003c\/li\u003e\n    \u003cli\u003e1 x Temperature Sensor\u003c\/li\u003e\n    \u003cli\u003e1 x User Manual (QR Code)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Evalm","offers":[{"title":"#1","offer_id":46354851627237,"sku":"7841898987904","price":36.99,"currency_code":"USD","in_stock":true},{"title":"#2","offer_id":46354851660005,"sku":"7841898987911","price":80.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/7262\/8453\/files\/S5248-1-1-644f-Zt5u.jpg?v=1732576897","url":"https:\/\/evalm.com\/products\/17329030","provider":"Evalm","version":"1.0","type":"link"}