Today’s best robot vacuums are full of high-tech features. Connected to WiFi they can be controlled by smartphone and even via a voice assistant. The combination of many sensors and software allows to drive around obstacles, map the rooms and plan the most economic cleaning path. For all this costly equipment falling down a stair or only tipping would be disastrous. With its TOFcam-611 ESPROS offers the most effcient anti drop and anti bump sensor on the market. Based on cost-effective epc611 time-of-flight (TOF) imager it guarantees best performance in the dark as likewise under full sunlight conditions. The compact sensor design with integrated infrared illumination and fast communication interface allows an economic integration in modern consumer and industrial robots.