The light sensor beacon S2, utilize the latest and greatest technology Bluetooth® 5.0 hardware platform, based on the Nordic nRF52 series chipset. It can detect whether there is ambient light or not. It is designed for commercial advertising, indoor location-based service and specialized in asset management and tracking applications.
Moreover, if the standard iBeacon firmware is needed, it can work on S2 Light sensor beacon hardware smoothly.
* Please keep away from light before using.