Have you tried them with completely fresh batteries. You may find that if the ones you're using are a bit old that replacing them will make the sensor bars usable without having to buy a new one.
OS: Windows 10 64 bit Professional
CPU: AMD Ryzen 5900X
RAM: 16GB
GPU: Radeon Vega 56
CPU: AMD Ryzen 5900X
RAM: 16GB
GPU: Radeon Vega 56
