Monitor household and industrial power with a crisp HD LCD and real-time WiFi reporting via the mobile app, so volts, amps, watts and kWh are always visible. The compact 6-in-1 unit combines voltmeter, ammeter, kWh counter, power factor and frequency reader into one DIN-rail mountable device for tidy electrical panels. Precise measurements (AC 40–300 V, 0–100 A, 0–30,000 W, 45–65 Hz) help you spot inefficiencies and troubleshoot quickly. Schedule control, remote ON/OFF and usage history make energy management playful and practical.

Model	QS-EM03-W
Voltage Range	AC 40–300 V
Current Range	0–100 A
Power Range	0–30,000 W
Frequency	45–65 Hz
Power Factor	Real-time PF monitoring
Display	HD LCD with backlight, 178° viewing angle
Mounting	DIN rail (standard)
Connectivity & App	WiFi remote control and monitoring via Quick Sense mobile app