Power Supply: Induced Current Power Supply Report the RMS Current and Accumulated Current Data by Minutes High Measuring Accuracy with a Sampling Frequency of up to 3.3 kHz Self-powered, Free from Batteries or External Wires Utilize a Sampling Rate of up to 1s for Real-time Monitoring and Quick Alarm Response Non-invasive Clamp Design Ensures Easy and Safe Installation without the Need for Powerde-energizing Equipped with LED Indicator to Indicate Working Status and Alarms Compliant with Standard LoRaWAN® Gateways and Network Servers IP30 Rated Detection Parameter: RMS Current Working Frequency: 50~60 Hz Input current range: CT101: 1A ~ 100A CT103: 2A ~ 300A Operating Temperature: -20°C ~ 70°C Storage Temperature: -25°C ~ +80°C Accuracy: ± 1 % Resolution: 1 mA