Full Water Alarm System Controller Designed as a complete overflow and high-level alarm solution, the controller detects when the tank reaches preset levels and immediately triggers audible and visual alerts. Ideal for household water tanks, industrial reservoirs, irrigation systems and rainwater collection. Smartphone Remote Detection Through Wi-Fi connectivity, you can remotely check water level conditions, alarm records and device status on your mobile phone. The system supports remote configuration so you can adjust alarm points and modes without being on-site. Accurate Water Tank Level Sensor High-sensitivity level sensing provides stable and accurate water level detection, reducing false alarms. Suitable for a variety of tanks and containers, helping to prevent overflow, dry running and water waste. Real-Time Overflow & Leak Alerts When the water reaches the set full level or abnormal conditions are detected, the system instantly push alarm messages to your smartphone via the TUYA/ app, while activating on-site buzzer or indicator alerts for double protection. Easy Installation & Wide Application Compact design and clear wiring terminals make installation simple for home users and professionals. Perfect for domestic water tanks, building water towers, fish ponds, agricultural irrigation tanks, HVAC systems and more. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage: AC220V Color: Yellow Material: plastic Package Contents: 1*water level gauge 1*European standard plug Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.