---
product_id: 148539517
title: "4pcs Ultrasonic Sensor Integrated Transceiver Waterproof Diameter 16MM"
brand: "hiletgo"
price: "€ 19.73"
currency: EUR
in_stock: true
reviews_count: 4
category: "Hi Letgo"
url: https://www.desertcart.com.cy/products/148539517-4pcs-ultrasonic-sensor-integrated-transceiver-waterproof-diameter-16mm
store_origin: CY
region: Cyprus
---

# Waterproof design 0.3-3.5m range 40kHz ultrasonic frequency 4pcs Ultrasonic Sensor Integrated Transceiver Waterproof Diameter 16MM

**Brand:** hiletgo
**Price:** € 19.73
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate your sensing game with HiLetgo’s sleek, waterproof ultrasonic precision!

## Quick Answers

- **What is this?** 4pcs Ultrasonic Sensor Integrated Transceiver Waterproof Diameter 16MM by hiletgo
- **How much does it cost?** € 19.73 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/148539517-4pcs-ultrasonic-sensor-integrated-transceiver-waterproof-diameter-16mm)

## Best For

- hiletgo enthusiasts

## Why This Product

- Trusted hiletgo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Temperature Tough:** Operates flawlessly from -25°C to 80°C—engineered for extreme conditions and long-term use.
- • **Seamless Integration:** Analog output and compact 16mm diameter fit effortlessly into your next smart project.
- • **High-Frequency Clarity:** 40±0.5kHz ultrasonic transceiver delivers crisp, reliable detection for advanced applications.
- • **Built to Brave the Elements:** Fully waterproof aluminum housing ensures durability in any environment, rain or shine.
- • **Precision Sensing, Real Results:** Accurate ±1.25% measurement within 0.3 to 3.5 meters—know your space like a pro.

## Overview

The HiLetgo 4pcs Ultrasonic Sensor Integrated Transceiver features a compact 16mm waterproof aluminum housing, delivering analog output with a sensing range of 0.3 to 3.5 meters at 40kHz frequency. Designed for durability and precision, it operates reliably between -25°C and 80°C, making it ideal for professional-grade motion detection and level sensing in challenging environments.

## Description

Ultrasonic Sensors Integrated Transceiver Waterproof Diameter 16MM Description: Construction:waterproof Using method:dual using Nominal Frequency：40±0.5KHz Sensitivity：-75ubar SPL：≥108(10V/30cm/sine wave) Directivity：45deg Capacitance：1800±30%@1KHz Detectable range：0.3….3.5M Max. input Voltage：140Vp-p Long-term Storage temperature：-25℃~80℃ Long-term working temperature：-20℃~80℃ Housing material：Al Package Includes: 4 * Ultrasonic Sensors Integrated Transceiver Waterproof

Review: Seem to work fine, but sensing distance is way off - I bought these to try using for a water tank level sensing as these sensors I have been using (ASIN B07FQCNXPP) only last a few months and I on my 3rd one of those that has just failed. Getting 4 of these HiLetgo ones for 8-bucks would be a steal if they work better and last longer. With no useful use and connection data form the vendor, I plugged one into the JSN board with the above mentioned ASIN, sensor. Bingo, it worked, but the quoted working distances are way off, less than half claimed. Maybe it is the JSN board or the Sketch I am using (provided on the web-page from ASIN B07FQCNXPP) but until HiLetgo provide some alternative hardware and software options for using them, that's all I have to use. So, minimum distance is around 30mm and the maximum is around 1500mm (1.5m) nothing remotely close to the 3.5m quoted. So if you want them for a reversing sensor then they may be fine, but anything over abou1500mm they are all over the place. Below is an actual cut and paste from Arduino output sensor aimed at an aluminum plate at 1.5m distance = 156cm <<- actual tape-measure = 157cm and near enough for my needs distance = 156cm distance = 337cm distance = 352cm distance = 156cm distance = 338cm distance = 386cm distance = 156cm distance = 417cm distance = 157cm They do not work against softer surfaces. I tried a plastic garbage bin, a painted drywall wall and got no returns at all. Aimed at metal or a water surface they seem to reflect and detect just fine when used within the 0.3 to 1.4m range. To sum up, if these REALLY are capable of 0.3 to 3.5m then HiLetgo needs to provide some more information on how to make that happen. I am a big fan of HiLetgo products, but this one so far, is not one of those. Hopefully the vendor can clear this up with some working details for attaining that 3.5m.
Review: Low Sensitivity - One piece (no holes or seams) alum front/sides w/ potted leads out the back. Short lead also connects to the alum housing. Phase of leads is RANDOM. Check before using in a phased array; possible issue w/ 'hot' housings. Not as sensitive as TCT40-16 transducers, maybe due to solid alum housing.

## Features

- Output way: Analog Sensor
- Sensor Type: Position Sensor
- Diameter: 16MM
- Ultrasonic Sensors Integrated
- Transceiver Waterproof Diameter 16MM

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00M2GH954 |
| Best Sellers Rank | #90,547 in Electronics ( See Top 100 in Electronics ) #320 in Motion Detectors (Electronics) |
| Brand | HiLetgo |
| Date First Available | July 24, 2014 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 0.634 ounces |
| Item model number | 3-01-0618 |
| Manufacturer | HiLetgo |
| Material | Aluminum |
| Maximum Supply Voltage | 140 Volts |
| Measurement Accuracy | ±1.25% |
| Measuring Range | 0.3 to 3.5 meters |
| Mounting Type | Surface Mount |
| Output Type | Analog |
| Package Dimensions | 5.6 x 3.8 x 0.8 inches |
| Sensing Distance | 3.5 Meters |
| Specific Uses For Product | Temperature:-20℃~80℃,Temperature:-25℃~80℃ |
| Style | Modern |
| UPC | 702082657591 |
| Upper Temperature Rating | 80 Degrees Celsius |

## Product Details

- **Brand:** HiLetgo
- **Item Weight:** 0.02 Kilograms
- **Material:** Aluminum
- **Maximum Supply Voltage:** 140 Volts
- **Style:** Modern

## Images

![4pcs Ultrasonic Sensor Integrated Transceiver Waterproof Diameter 16MM - Image 1](https://m.media-amazon.com/images/I/31K+76ZKLFL.jpg)
![4pcs Ultrasonic Sensor Integrated Transceiver Waterproof Diameter 16MM - Image 2](https://m.media-amazon.com/images/I/31Nwgc2EDRL.jpg)
![4pcs Ultrasonic Sensor Integrated Transceiver Waterproof Diameter 16MM - Image 3](https://m.media-amazon.com/images/I/41h6c8QXzXL.jpg)
![4pcs Ultrasonic Sensor Integrated Transceiver Waterproof Diameter 16MM - Image 4](https://m.media-amazon.com/images/I/61yI0l5Uc9L.jpg)

## Questions & Answers

**Q: Can this be used to measure liquid flow through a pipe?**
A: I'm not sure just how waterproof these are. I mainly used them for measuring wind speed and thus any water that gets on them is temporary so I haven't had any issues. I'm not sure of their functionality when being exposed to water on a consistent basis.

## Customer Reviews

### ⭐⭐⭐ Seem to work fine, but sensing distance is way off
*by B***R on January 18, 2020*

I bought these to try using for a water tank level sensing as these sensors I have been using (ASIN B07FQCNXPP) only last a few months and I on my 3rd one of those that has just failed. Getting 4 of these HiLetgo ones for 8-bucks would be a steal if they work better and last longer. With no useful use and connection data form the vendor, I plugged one into the JSN board with the above mentioned ASIN, sensor. Bingo, it worked, but the quoted working distances are way off, less than half claimed. Maybe it is the JSN board or the Sketch I am using (provided on the web-page from ASIN B07FQCNXPP) but until HiLetgo provide some alternative hardware and software options for using them, that's all I have to use. So, minimum distance is around 30mm and the maximum is around 1500mm (1.5m) nothing remotely close to the 3.5m quoted. So if you want them for a reversing sensor then they may be fine, but anything over abou1500mm they are all over the place. Below is an actual cut and paste from Arduino output sensor aimed at an aluminum plate at 1.5m distance = 156cm <<- actual tape-measure = 157cm and near enough for my needs distance = 156cm distance = 337cm distance = 352cm distance = 156cm distance = 338cm distance = 386cm distance = 156cm distance = 417cm distance = 157cm They do not work against softer surfaces. I tried a plastic garbage bin, a painted drywall wall and got no returns at all. Aimed at metal or a water surface they seem to reflect and detect just fine when used within the 0.3 to 1.4m range. To sum up, if these REALLY are capable of 0.3 to 3.5m then HiLetgo needs to provide some more information on how to make that happen. I am a big fan of HiLetgo products, but this one so far, is not one of those. Hopefully the vendor can clear this up with some working details for attaining that 3.5m.

### ⭐⭐⭐⭐ Low Sensitivity
*by A***R on July 22, 2022*

One piece (no holes or seams) alum front/sides w/ potted leads out the back. Short lead also connects to the alum housing. Phase of leads is RANDOM. Check before using in a phased array; possible issue w/ 'hot' housings. Not as sensitive as TCT40-16 transducers, maybe due to solid alum housing.

### ⭐ Junk - do not bother ordering
*by B***I on September 4, 2025*

Well there are a lot of issues with these sensors. (1) You need a JSN-SR04T type board to be able to read the sensor. (2) One of the four sensors in the package I ordered was DOA. (3) The sensor readings VARY WILDLY by 10 cm or more. (4) About half of the readings are 20 cm which is what the sensor will read if an object is about 20 cm or less from the sensor. But even if the object is a few hundred cm away from the sensor, about half of the readings will be 20 cm. I tweaked the timing, tweaked the delays, etc. to get these sensors to work but no go. Junk. If i could give them 0 stars I would. I will be requesting a refund.

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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-02-14*