Features: Double Mode Water Leakage Alarm with 135dB Alarm and All Direction Sensors for Leak Detections. Features long service time with energy efficient design. Ideal for homeowners, property managers, and renters seek reliable, early stage water damage prevention in basements, bathrooms, or near appliances. For 24/7 protections in flood prone areas like bathrooms, basements, kitchens, and near water heaters or washing machines. Lightweight design allows wall mounted or floor placement, ensuring leak monitoring across residential and commercial space. Specifications: [Material]: ABS [Product Size]: about. 80.5x80.5x26.5mm/3.16x3.16x1.04in [Color]: White [Alarm]: 135dB [Working Temperature]: -10 to 70℃ [Battery Power Type]: 6F22/9V Battery(Include) Pattern: 1 Set/2 Set Package Includes: 1 Set/2 Set Water Detector(Optional) note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.