Vbestlife Ultrasonic Level Sensor, Ultrasonic Water Tank Liquid Depth Level Meter Sensor with Temperature Display for All Non-corrosive Liquid

Specification: Indoor Temperature Range: 0~60 Outdoor Temperature Range: -40~60 Temperature Accuracy: ±1oC Water Level Measure Rang: 0~15m, Resolution: 0.01m, Accurate: +/-0.03M Transmission Frequency: 433MHZ Transmission Range: 100 meters(300 feet)in open area Transmission Interval: 30s when level changes or 3 minutes when level does not change Receiver Battery: 2X AA 1.5V LR3 Alkaline batteries (Not included) Transmitter Battery: 6X AAA 1.5V LR6 Alkaline or lithium batteries (Not included) Battery Life: Minimum 12 months for receiver, Minimum 12 months for transmitter Receiver Size: 108*94*27mm Transmitter Size: 97*68*152mm LCD Size: 66*45mm(3.3 inch) Suitable Liquid Type: All non-corrosive liquid Open Distance: Approx.100M/328.1ftEffective Distance : Approx.30M/98.4ft Package Includes: 1 x Water Level Sensor Transmitter 1 x Indoor Receiver 2 x Screws (Batteries are NOT included) Note: 1. Install the battery in the battery compartment of the transmitter, do not insert the battery compartment, and insert the battery synchronously after the receiver is set up 2. The liquid level indicator has no data, press the tank key, and the data will be displayed.3. When reset, remove the battery Wait for a while and then turn on the power to eliminate the remaining power in the machine.4. Whether the red light of the transmitter flashes, the flashing is normal, and vice versa.