Enhance your water tank monitoring system with this advanced Ultrasonic Water Tank Liquid Level Sensor, designed for precise and efficient measurement of liquid levels. Utilizing ultrasonic technology, this sensor accurately detects water levels ranging from 1 to 5 meters (3.3 to 16.4 feet) and supports automatic control functions, such as pump activation, high and low-level alarms, and visual alerts to ensure optimal water management. Key Features: · **Accurate Ultrasonic Sensing**: Precisely measures liquid levels in tanks and containers, with a water level resolution of 0.01m and accuracy of ±0.05m, allowing reliable detection for various applications. · **Wireless Transmission**: Cordless design enables flexible placement with a wireless transmission range of up to 100 meters (328 feet) in open areas, eliminating the need for complicated wiring. · **Temperature Monitoring**: Supports real-time water tank temperature measurement between -40℃ to 60℃ (-40℉ to 140℉), ideal for liquids requiring temperature control such as wine storage, enhancing functionality. · **Durable & Weatherproof Transmitter**: The transmitter features an IP65 waterproof rating, providing effective protection against rain and outdoor elements, ensuring reliable operation in diverse environments. · **Large Digital Display**: Equipped with a 4.3-inch LCD screen complete with backlight, the receiver clearly shows water level depth via a 10-element bar graph, high/low water level icons, temperature readings, and alarm status for easy monitoring. · **Multiple Alarm & Reminder Functions**: Includes high and low-level water alarms with audible alerts lasting 120 seconds, low battery notifications, buzzer on/off control, and alarm sound icon display, offering enhanced safety and convenience. · **Versatile Power Supply Options**: The transmitter is powered by built-in 6 x AAA NiMH rechargeable batteries (900mAh each) recharged automatically via a solar panel, while the receiver operates on 3 x AAA batteries (not included) or DC 5V power cable. · **Additional Functionalities**: Features a backlight on/off function, selectable 12H/24H time formats, a built-in alarm clock, indoor temperature display (0℃-50℃ / 32℉-122℉), and data signal indicator for comprehensive environmental monitoring. Specifications: · Material: ABS · Water Level Measurement Range: 1-5m (3.3-16.4ft) · Water Level Resolution: 0.01m, Accuracy: ±0.05m · Temperature Measurement Range (Transmitter): -40℃ to 60℃ (-40℉ to 140℉), Resolution: 0.1℃, Accuracy: ±1℃ · Indoor Temperature Range (Receiver): 0℃ to 50℃ (32℉ to 122℉) · Wireless Frequency: 433Hz · Wireless Transmission Open Distance: Approx. 100m (328.1ft) · Effective Transmission Distance: Approx. 30m (98.4ft) · Transmitter Protection Grade: IP65 Waterproof · Screen Size: 4.3 inch LCD with backlight Package Includes: · 1 x Ultrasonic Level Sensor This Ultrasonic Water Tank Liquid Level Sensor combines precise ultrasonic detection, robust wireless connectivity, and practical temperature monitoring in a weatherproof design, delivering a reliable and user-friendly solution for efficient water level management in various tank systems.