Winland offers three WaterBug® models for dependable water detection. Ideal for basement sump pumps, drain and storage areas, computer rooms, document storage areas, warehouses and sprinkler systems. WaterBug® sensors work when a conductive bridge is formed between two contacts. Connect up to 8 supervised, or 16 unsupervised WaterBug® sensors. Single relay output simplifies wiring while 8 LEDs indicate which zone is in alarm. Purchase through your local low-voltage Security Distributor.