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Sonoff Pow R2 Wifi Power Monitor Smart Switch Arduino Mega 2560+WiFi R3 ATmega2560+Node MCU ESP8266 CH340G Compatible Board Cost effective Wi Fi + BLE solution Cost effective Wi Fi + BLE solution that undercuts ESP32 based modules in price while delivering comparable performance The TITAN WEARABLES TALK S delivers 7 10 days of continuous operation between charges under normal usage conditions with moderate health monitoring and notifications enabled enable demand response automation Tenant Billing and Sub metering: Implement accurate power consumption tracking for shared spaces and rental units enabling transparent utility billing based on actual usage
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