---
product_id: 355534621
title: "Wireless Remote Switch,AC 110V/120V/240V/40A Relay with Voltage Isolation,RF Remote Switch for High Power Water Pump,Dust Collector,Lighting Electrical Equipment with 984FT Long Range."
brand: "dstfuy"
price: "€ 53.96"
currency: EUR
in_stock: true
category: "Dstfuy"
url: https://www.desertcart.pt/products/355534621-wireless-remote-switch-ac-110v-120v-240v-40a-relay-voltage
store_origin: PT
region: Portugal
---

# 40A high-power relay 984ft RF long-range control Voltage isolation for safety Wireless Remote Switch,AC 110V/120V/240V/40A Relay with Voltage Isolation,RF Remote Switch for High Power Water Pump,Dust Collector,Lighting Electrical Equipment with 984FT Long Range.

**Brand:** dstfuy
**Price:** € 53.96
**Availability:** ✅ In Stock

## Summary

> 🔌 Power up your control game—wireless, worry-free, and way beyond reach!

## Quick Answers

- **What is this?** Wireless Remote Switch,AC 110V/120V/240V/40A Relay with Voltage Isolation,RF Remote Switch for High Power Water Pump,Dust Collector,Lighting Electrical Equipment with 984FT Long Range. by dstfuy
- **How much does it cost?** € 53.96 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/355534621-wireless-remote-switch-ac-110v-120v-240v-40a-relay-voltage)

## Best For

- dstfuy enthusiasts

## Why This Product

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

## Key Features

- • **Safety First:** Transformer-isolated relay ensures zero high-voltage risk on output, keeping your setup secure.
- • **Smart & Secure:** Advanced learning code technology with re-learn mode protects against interference and lost remotes.
- • **Unmatched Range:** Control devices from up to 984 feet away—even through walls and floors, no signal drop.
- • **Versatile Control:** Perfect for pumps, lighting, gates, motors, and industrial systems—one switch to rule them all.
- • **Powerhouse Performance:** Handles up to 40A load for your heaviest electrical equipment without breaking a sweat.

## Overview

The dstfuy Wireless Remote Switch features a robust 40A relay with voltage isolation for safe high-power device control. Utilizing RF technology, it offers a reliable 984-foot range that penetrates obstacles, making it ideal for water pumps, lighting, gates, and industrial equipment. Its secure learning code system ensures interference-free operation, while the built-in manual switch guarantees control even if the remote is lost.

## Description

desertcart.com: dstfuy Wireless Remote Switch,AC 110V/120V/240V/40A Relay with Voltage Isolation,RF Remote Switch for High Power Water Pump,Dust Collector,Lighting Electrical Equipment with 984FT Long Range. : Tools & Home Improvement

## Features

- HIGH POWER LOAD:The Relay adopts 40A relay, which can load high-power electrical appliances.The relay is isolated by transformer, so it will not carry high voltage when outputting. Ensure safe and stable control.(Note:max load:30A)
- STRONG SIGNAL:Adopts RF technology ,this remote lighting switch can pass through walls, floors and doors, control receiver from any place within a reliable distance.Max range is up to 984ft with no obstacle.
- EASY TO CONTROL:Learning code has high-level security for its low repetitive rate and re-learn mode, it can delete the old code and re-learn a new code.There is a switch key on the relay.If the remote control get lost.You also can always control of it.
- HIGH SENSITIVITY- Sensitivity -114dBm,Stable and reliable performance,high receive sensitivity and anti-jamming capability.
- WIDE APPLICATION:This remote relay switch used in lamps,electric doors,water pumps, motors, windows,gate,industrial control and security industry and other fields.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08XQCLN4M |
| Additional Features | Ergonomic |
| Battery Type | A23 |
| Best Sellers Rank | #113,620 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #509 in Electrical Light Switches |
| Brand | dstfuy |
| Button Quantity | 2 |
| Color | Remote Switch--110V-240V--984FT |
| Compatible Devices | Lamps, electric doors, water pumps, motors, windows, gates, industrial control systems, security systems |
| Connectivity Technology | Radio Frequency |
| Controller Type | Button Control |
| Customer Reviews | 4.4 4.4 out of 5 stars (81) |
| Manufacturer | dstfuy |
| Maximum Number of Supported Devices | 1 |
| Maximum Range | 984 Feet |
| Mfr Part Number | TO-03 |
| Model Name | TO-03 |
| Model Number | TO-03 |
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| UPC | 751474662392 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** dstfuy
- **Color:** Remote Switch--110V-240V--984FT
- **Max Number of Supported Devices:** 1
- **Special Feature:** Ergonomic

## Images

![Wireless Remote Switch,AC 110V/120V/240V/40A Relay with Voltage Isolation,RF Remote Switch for High Power Water Pump,Dust Collector,Lighting Electrical Equipment with 984FT Long Range. - Image 1](https://m.media-amazon.com/images/I/61r8pTMnsVS.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: If input power is removed and re-applied does the load side start in the energized relay mode or off? can this be changed?**
A: No power, no connection.

**Q: Please send me a link for better range antenna if anyone know. Thanks**
A: Contact a ham radio club in your area.

**Q: Does the controller use bluetooth?**
A: No

**Q: Can I purchase extra/replacement remote transmitter to work with a single reciever?**
A: I can not find a way to contact the seller, I would like to purchase one or two extra remotes for this relay.  It works tremendously but I need at least one more remote. 

thanks

## Frequently Bought Together

- dstfuy Wireless Remote Switch,AC 110V/120V/240V/40A Relay with Voltage Isolation,RF Remote Switch for High Power Water Pump,Dust Collector,Lighting Electrical Equipment with 984FT Long Range.
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**Shop now:** [https://www.desertcart.pt/products/355534621-wireless-remote-switch-ac-110v-120v-240v-40a-relay-voltage](https://www.desertcart.pt/products/355534621-wireless-remote-switch-ac-110v-120v-240v-40a-relay-voltage)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-07-07*