Wind-Sun (Volo S) sensors, via Nice TTBus. The sensor can control up to 5 control units or motors with on-board control unit connected in parallel. Practical Adjustable support for fixing to surfaces with any slope. Advanced "Wind" threshold programmable on 3 levels: 15, 30 or 45 Km/h; "Sun" threshold on 3 levels: 15, 30 or 45 K-Lux (SI unit of illuminance), plus a fourth level settable in self-learning.