Applicable life scenarios: Accidental water leaks may occur in daily life, such as forgetting to turn off the faucet after use, children playing near water sources, burst pipes, leaking fish tanks, kitchen sink leaks, or pets knocking over water containers. When you purchase and install this water leak detector: Upon detecting water, it triggers an immediate alarm with audible sound and visual flashing light. Simultaneously, a push notification is sent to your smartphone via the Smart Life or Tuya Smart app, enabling prompt response. Once the water source is removed and the sensor dries, the alarm automatically stops. Long battery life for reliable operation: Ultra-low power consumption supports up to 3 years of standby time on a single AAA battery (not included). When battery level is low, the app sends a notification reminding you to replace the battery. Specifications: Battery: AAA (not included) Standby Time: Up to 3 years Operating Temperature: -10°C to 55°C Operating Humidity: 10%–90% RH (non-condensing) Compatible App: Smart Life / Tuya Smart Cord Length: 1 m Color: White Material: Plastic Dimensions: 70 × 25 × 20 mm Package Includes: 1 × Water Leak Alarm Note: Due to lighting conditions and screen variations, the actual product color may differ slightly from images shown. Measurement tolerance: ±1–3 cm.