The new launched solar powered swimming pool alarm system comprises of an immersed prove which reacts to the differences of pressure in the swimming pool. The efficiency of this system was tested by the official Laboratory National Essays (LNE) which concluded that the system was in conformity with the standard NF P90-307A1 relative to swimming pool alarms. The solar-powered technology to make it totally wire free. It is fully protected by a tough polycarbonate & UV proof housing with all electronic components protected with moisture repellent materials applied during manufacture. Please contact us for more details.