1. Advanced Power Management: This energy monitor features an active power threshold setting that triggers an alarm when power usage exceeds the preset limit. 2. Software Reset Functionality: Equipped with a reset energy feature, this monitor allows for easy software resets. 3. Precision and Reliability: Designed for high precision measurements with fast response times, this power meter ensures accurate data collection and stable communication via. 4. Durable Protective Shell: The included shell safeguards the communication module from physical damage and environmental factors, extending the lifespan of the device while maintaining its aesthetic appeal. 5. Note on Accessories: Please be aware that this package includes the communication module only. Due to different batches, the appearance and printed text of the product may vary, but it will not affect the use. Colour:As Shown Material:PCB Package Contents: 2 * TTL Serial Port 10A Host Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.