SSP-2 Ennepetal Cerquilho SSP-2 – 2″ Piezo Super Siren 115 DB SPL (1W/1M) sound pressure Voltage: 6-12VDC High impact black ABS plastic housing European high-low pitch Maximum current draw: 300mA Dimensions: 2″ (W) x 1-9/16″ (D) x 2″ (H)