HOD HEALTH AND HOME Australia has been operating online and instore for 8 years. All products come with a 1 year warranty, fast shipping and special offers added to our site daily.. Need more than 1? Get a bulk buy discount up to 20% off Main Features Automatic Operation. Once Its Three Contactors Touch Water It Will Sound Immediately With 90Db Loud Alarm No Buttons No Programming Just Place It Where You Want To Check Water Leakage Requires A 9-Volt Alkaline Battery ( Not Included ) And Normally A New Battery Can Last For 1 Year Made Of Durable Abs Plastics It Is Specially Designed To Float In Flood Circumstances Material: Abs plastic Working Voltage: 9V Battery: 9V Alkaline Battery ( Not Included ) Alarm: 90 Db Specification Dimensions And Weight Product Weight: 0.0900 KgBr> Package Weight: 0.1000 KgP>You Will Receive You Will Receive: 1 X Water Leakage Alarm