Based on this product's specifications, here are some alternatives and similar models
Thermostatic Radiator Valve Shelly BLU TRV Indoor Use White Rotary Control
Summary description:
The Shelly BLU TRV is a thermostatic radiator valve designed for indoor use. It features a white color, rotary control, and operates within a temperature range of -20 to 60 °C. The valve is powered by a 1.5 V battery and has a diameter of 5.4 cm, height of 78 mm, and weighs 107 g. This product is sold in a pack of 3 units, making it suitable for multiple installations.