The water detector works on hard and soft surfaces, such as carpet, parquet, etc., when water short-circuits the two sensors the alarm is triggered, ideal for basements and near washing machines, dishwashers, boilers, etc., simple and problem-free installation, 24-hour protection, 3 VDC lithium battery permanently installed or not replaceable, battery life 10 years, battery level indicator, 3-year guarantee, color: pure white similar to RAL 9010, ambient temperature: 4 to 38 °C, alarm volume: greater than 85 dB at 1 m, dimensions: 60 x 60 x 24.2 mm, alarm tone pattern: 3 short beeps, 1.5 s pause, with red LED flash, Note: The water detector is for early warning. It cannot turn off the water flow.