Biodata bank has developed a new and affordable sensor to estimate precisely core body temperature. Based on this new technology and equipped with an innovative algorithm our first product, Heatstroke Watch, is a wearable preventing heatstroke the simple way. It continuously monitors core body temperature variation and triggers an alert in case it rises dangerously. Heatstroke Watch protects efficiently your workers or your clients. By accessing core body temperature sensor, Biodata bank will open the way to other solutions and bring differentiation on the smartwatch market.