Sensmax is a European developer and manufacturer of the remote wireless people counter devices for indoor and outdoor use in commercial buildings, supermarkets, warehouses, living houses, greenhouses, and public places like parks, airport, terminal stations and etc. SensMax provides a complete solution including the people counting sensors, data collection gateways and software. https://sensmax.eu/devices/real-time-customer-survey-button-sensmax-loyalty-button-l3-superlongrange-ts/