Based on this product's specifications, here are some alternatives and similar models
Current Sensor Ubiquiti mFi-CS
Summary description:
The Ubiquiti mFi-CS is a compact current sensor designed for monitoring electrical consumption. With dimensions of 32 x 57 x 22 mm and a weight of only 50 g, it is easy to install in various environments. The sensor is white and comes in a pack of 1. It provides accurate current measurements, making it ideal for energy management and efficiency improvements.