Based on this product's specifications, here are some alternatives and similar models
Danfoss Ally Room Sensor Wireless Indoor Temperature Sensor 0-40°C
Summary description:
The Danfoss Ally Room Sensor is a wireless indoor temperature sensor designed for accurate temperature measurement ranging from 0 to 40 °C. It operates on a CR2450 lithium battery with a lifespan of up to 2 years. With a compact design, it measures 450 mm in width and 180 mm in height, making it easy to integrate into any indoor environment. Ideal for maintaining optimal indoor climate conditions.