---
product_id: 351656521
title: "HiLetgo 4pcs Ultrasonic Sensor Integrated Transceiver Waterproof Diameter 16MM"
brand: "hiletgo"
price: "€ 34.85"
currency: EUR
in_stock: true
reviews_count: 3
category: "Hi Letgo"
url: https://www.desertcart.pt/products/351656521-hiletgo-4pcs-ultrasonic-sensor-integrated-transceiver-waterproof-diameter-16mm
store_origin: PT
region: Portugal
---

# 140V max input Waterproof design 0.3-3.5m range HiLetgo 4pcs Ultrasonic Sensor Integrated Transceiver Waterproof Diameter 16MM

**Brand:** hiletgo
**Price:** € 34.85
**Availability:** ✅ In Stock

## Summary

> 📡 Elevate your sensing game with HiLetgo’s sleek, waterproof ultrasonic transceivers!

## Quick Answers

- **What is this?** HiLetgo 4pcs Ultrasonic Sensor Integrated Transceiver Waterproof Diameter 16MM by hiletgo
- **How much does it cost?** € 34.85 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/351656521-hiletgo-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

- • **Quad Pack Value:** Four sensors in one set to power multiple projects or backups
- • **Versatile Analog Output:** Seamlessly integrates with diverse control systems
- • **Built to Brave the Elements:** Waterproof aluminum housing ensures durability in tough environments
- • **Compact & Sleek 16MM Diameter:** Fits effortlessly into tight spaces without compromising performance
- • **Precision Sensing, Modern Edge:** Accurate ±1.25% measurement for confident readings

## Overview

The HiLetgo 4pcs Ultrasonic Sensor Integrated Transceiver set features compact 16MM diameter sensors with a nominal frequency of 40±0.5KHz, offering an analog output and a claimed detection range of 0.3 to 3.5 meters. Built with waterproof aluminum housing, these sensors support a maximum input voltage of 140Vp-p and operate reliably between -20℃ to 80℃. Ideal for surface mount applications, they provide ±1.25% measurement accuracy, making them suitable for projects requiring precise position 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: Junk - do not bother ordering - 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.

## Features

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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00M2GH954 |
| Brand | HiLetgo |
| Brand Name | HiLetgo |
| Customer Reviews | 3.8 out of 5 stars 29 Reviews |
| Item Weight | 0.02 Kilograms |
| Item weight | 0.02 Kilograms |
| Manufacturer | HiLetgo |
| Material | Aluminum |
| Material Type | Aluminum |
| Maximum Supply Voltage | 140 Volts (AC) |
| Maximum supply voltage | 140 Volts (AC) |
| Measurement Accuracy | ±1.25% |
| Measurement accuracy | ±1.25% |
| Measuring Range | 0.3 - 3.5 M |
| Model | 3-01-0618 |
| Mounting Type | Surface Mount |
| Number of Items | 4 |
| Output Type | analog |
| Part Number | 3-01-0618 |
| Sensing Distance | 350 Centimeters |
| Style | Modern |
| Style Name | 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 (AC)
- **Style:** Modern

## Images

![HiLetgo 4pcs Ultrasonic Sensor Integrated Transceiver Waterproof Diameter 16MM - Image 1](https://m.media-amazon.com/images/I/61yI0l5Uc9L.jpg)
![HiLetgo 4pcs Ultrasonic Sensor Integrated Transceiver Waterproof Diameter 16MM - Image 2](https://m.media-amazon.com/images/I/51qAPla7hzL.jpg)
![HiLetgo 4pcs Ultrasonic Sensor Integrated Transceiver Waterproof Diameter 16MM - Image 3](https://m.media-amazon.com/images/I/51+Du5sRIiL.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 18 January 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.

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

### ⭐⭐⭐⭐ Low Sensitivity
*by A***R on 22 July 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.

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-10-25*