Remote GSM relay switch, T201 access controller, temperature alarm, 2G/3G/4G, power status monitoring, fault SMS, 2-output sensor

Features: 1. * It can be used anywhere with no distance limitations. 2. * Up to 200 authorized phone numbers. The 1st to 3rd user number can receive SMS messages, and the 4th to 6th user number can receive calls when an alarm occurs. Authorized phone numbers 1 to 200 can call T201 to activate/deactivate the relay. 3. * External monitoring of AC/DC power status: DC power on/off will immediately send an SMS and call 6 predefined mobile phones. 4. * The timer report can be set to occur every few hours, and its status/value will be automatically sent to 6 predefined mobile phones. 5. * Supports remote reading of historical data via SMS. 6. * Automation system: when temperature, power, or normal alarms are triggered, it can be linked to FEALAGE1 for operation. 7. * Alarm output: When an alarm is triggered, it will sound for 30 seconds. 8. * The internal rechargeable battery can be used continuously for 6 hours. 9. * SAFE: Use caller ID and password for identification; unknown callers will be ignored. 10. * It can be programmed via SMS commands with password retention. 11. * Based on GSM web, suitable for many applications (temperature, power status, solar panels, DC voltage). Specification: Features: * It can be used anywhere with no distance limitations. * Up to 200 authorized phone numbers. The 1st-3rd user number can receive SMS messages, and the 4th-6th user number can receive calls when an alarm is triggered. 1-200 authorized phone numbers can call T201 to activate/deactivate the relay. * External AC/DC power status monitoring: AC/DC power ON/OFF will send SMS messages and immediately call 6 predefined mobile phones. * Timer report can be set to occur every few hours, and its status/value will be automatically sent to 6 predefined mobile phones. * Supports remote reading of historical data via SMS. * Automation system: When temperature, power, or normal alarms are detected, it can be linked to FEAME1 for operation. * Alarm output: When an alarm occurs, it will sound for 30 seconds. * Internal rechargeable battery can be used continuously for 6 hours. * Secure: Uses caller ID and password for identification; unknown callers will be ignored. * Can be programmed via SMS commands with password retention. * GSM web-based, suitable for many applications (temperature, power status, solar panels, DC voltage). Tips: 1. Please read the user manual carefully before installing and configuring the control unit. 2. Install the system in a concealed location. 3. Avoid spilling water into the control unit. 4. Ensure the connection to the main power supply is secure.Specifications: Product Name: Monitoring Relay Rated Voltage: DC 9V ~ 24V / 1A Working Temperature: -10℃ ~ +60℃ Storage Temperature: -20℃ ~ +60℃ Relative Humidity: 10-90%, non-condensing Working Frequency: GSM: 850/900/1800/1900MHz 3G WCDMA: 900/2100 MHz UMTS 3G CDMA2000: 850/1900MHz UMTS 3G: 850/2100MHz UMTS Communication Protocol: GSM Phase 2/2+ (including data service) Output Relay Voltage: 3A / 240V AC SIM Card: Nano type, 3V Antenna: 50Ω SMA Wired Switch: Supported Temperature Sensor: Temperature: -55℃ ~ + 125℃: 0.1℃ Alarm output: output voltage = DC input voltage, current: Package list: 1 * GSM temperature alarm relay, 1 * temperature sensor, 1 * user manual (QR code)