Fish pond Water level Over limit Alarm

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High Precision Wireless Liquid Level Sensor with Float Ball RS485 Interface Liquid Level Switch SensorIP63 Customizable

US$18-28 Min. Order: 10 sets

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High Low Water Level Sensor Detector Alarm 120 DB Red Strobe Siren for Swimming Pool

US$4.80 Min. Order: 100 pieces

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New Arrival Water Leak Alarm Flood Level Overflow Detector Sensor Alert Home Security Alarm Leakage Alarm Detector

US$2.50 Min. Order: 20 pieces

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Liquid Level Transmitter Controller for Water Fire Tanks & Reservoirs with Display Alarm Electronic Level Gauge Sensor

US$30-320 Min. Order: 1 piece

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SEAFLO New DC 24v Water Level Alarm System with Float Switch for Yacht

US$34.33 Min. Order: 10 pieces

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Industrial LoRaWAN Water Level Monitoring System IP68 All in One Submersible Level Sensor & DAU for Wastewater Reservoir

US$90-150 Min. Order: 1 piece

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Fire Water tank RV Water tank Water Level Detection Display Controller Submersible Gauge Hydrostatic Level Transmitter

US$35 Min. Order: 1 set

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Auto Liquid Level Controller Plastic Water Tank Pool Water Level Indicator Sensor Probe Radar Level Measuring Instruments

US$198 Min. Order: 1 set

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High Quality Wireless Ultrasonic Liquid Fuel Level Sensor Non Contact Water Level Meter Open Closed Tanks IoT Enabled 4G Lorawan

US$64-89 Min. Order: 1 piece

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TLC2404LS WL Smart LORA IP67 Level Transmitter for Tank & Silo Remote Monitor for Water Oil Grain Feed with 10m Range & Alarm

US$45 Min. Order: 1 piece

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TLC2502LS Ultrasonic Level Sensor RS485 WiFi Smart Liquid Level Indicator 1% Accuracy PC Material 3m Range LCD

US$34 Min. Order: 1 piece

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Smart Tank Level Controller with Solar Powered Sensor IP67 Waterproof LCD Display for Water Oil Fuel Tank Monitoring

US$47 Min. Order: 1 piece

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LoRa Smart Level Controller with LCD Display for Liquids & Solids Detect Water Oil Fuel Feed Ultrasonic Solar Panel Sensor

US$47 Min. Order: 1 piece

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SLS Tuya Smart WiFi Solar Ultrasonic Water Level Sensor 3m Cable Tank Liquid Detector Alarm for Home Hotel

US$40 Min. Order: 1 piece

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UltraSmart Modern Indoor Digital Display Multi Function Ultrasonic Water Level Sensor Transmitter Smart Home Liquid Measuring

US$21 Min. Order: 1 piece

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KONLEN DC5V AC110V 220V Tuya Tank Water Level Sensor WIFI Pump Valve Controller Leakage Smart Life Leak Alarm Detector

US$43.40-51.26 Min. Order: 1 piece

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Best TLC2502LS Smart Tuya APP Industrial RS485 Liquid Level Transmitter for Oil Water Storage IP67 3m Range for Livestock Farm

US$34 Min. Order: 1 piece

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TY WI 1 Tuya WiFi Water Sensor Underground Water Level Leak Detector App Flood Alarm System Security Remote Monitor Smart Life

US$4.50 Min. Order: 2 pieces

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PP Water Float Level Sensor LLS-YZ1

US$0.90-1.10 Min. Order: 2 pieces

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4-20mA Wireless Ultrasonic Water Level Sensor and Tank Level Monitor with Alarm

US$250-265 Min. Order: 1 set

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4G IoT Data Logger with GPS Tracker and Temperature Humidity Sensor for Fish Pond Aquaculture Monitoring

US$49.99 Min. Order: 3 units

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Floating Water Quality Monitoring System for Rivers, Lakes, and Aquaculture with Multi-Parameter Sensor

US$4,088 Min. Order: 99 pieces

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80G FM Radar Water Level Gauge, 100m Range, Anti-Corrosion, Explosion-Proof, RS485

US$220-300 Min. Order: 1 piece

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10-30 VDC Controller Float Switch with Alarm, Pump Control, 4-20mA Liquid Level Sensor and Transmitter

US$38.98 Min. Order: 5 pieces