{"product_id":"433mhz-wireless-rf-relay-remote-control-switch-1ch-mini-dc-5v-12v-24v","title":"433MHz Wireless RF Relay Remote Switch – DC 3.6V to 24V 1CH","description":"\u003ch2\u003e433MHz 1-Channel Mini Wireless RF Relay Remote Control Switch\u003c\/h2\u003e\n\u003cp\u003eTake control of your lighting, LED strips, and low-voltage devices without the mess of wires. This compact \u003cstrong\u003e433MHz single-channel (1CH) wireless RF relay module\u003c\/strong\u003e supports a wide operating voltage range — \u003cstrong\u003eDC 3.6V, 5V, 9V, 12V, and 24V\u003c\/strong\u003e — making it one of the most versatile remote-control relay switches available for DIY electronics and home automation projects.\u003c\/p\u003e\n\n\u003cp\u003eWhether you want to wirelessly toggle an LED lamp string, a Christmas tree light string, a light control switch, or any other low-voltage load, this mini relay module gives you the freedom to do it from a distance — no direct wiring to the device required at the point of control.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e433MHz RF frequency\u003c\/strong\u003e — reliable, long-range wireless signal transmission\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide voltage compatibility:\u003c\/strong\u003e DC 3.6V \/ 5V \/ 9V \/ 12V \/ 24V — works with most common low-voltage power supplies\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1-Channel (1CH) relay output\u003c\/strong\u003e — cleanly controls one independent circuit or device\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact micro receiver module\u003c\/strong\u003e — fits neatly into enclosures, project boxes, or behind panels\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes transmitter (remote)\u003c\/strong\u003e — ready to pair and use straight out of the box\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWireless operation\u003c\/strong\u003e — cord-free setup for a clean, clutter-free installation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIdeal for DIY projects:\u003c\/strong\u003e LED lighting control, light switches, home automation, craft installations, and more\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy to use:\u003c\/strong\u003e no complex programming required for basic on\/off switching\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eWireless LED lamp string and strip light control\u003c\/li\u003e\n  \u003cli\u003eChristmas tree or decorative light string switching\u003c\/li\u003e\n  \u003cli\u003eDIY home automation relay switching\u003c\/li\u003e\n  \u003cli\u003eRemote light control switch replacement\u003c\/li\u003e\n  \u003cli\u003eLow-voltage device automation in maker and hobbyist projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 433MHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e DC 3.6V \/ 5V \/ 9V \/ 12V \/ 24V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 1CH (single channel)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModule Type:\u003c\/strong\u003e Micro Receiver + RF Transmitter Remote\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControl Mode:\u003c\/strong\u003e Wireless RF\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor guidance on safe wiring practices for low-voltage electronics projects, visit the U.S. Consumer Product Safety Commission (CPSC) for helpful electrical safety information.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What devices can I control with this 433MHz wireless RF relay switch?\u003c\/h4\u003e\n\u003cp\u003eA: This 433MHz 1-channel mini relay module can wirelessly control any compatible low-voltage device within its supported voltage range (DC 3.6V–24V). Common uses include LED lamp strings, decorative light strings (such as Christmas tree lights), DIY light control switches, low-voltage motors, and other maker or home automation loads.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What voltage supply do I need for the 433MHz RF relay receiver module?\u003c\/h4\u003e\n\u003cp\u003eA: The receiver module supports a wide input voltage range: DC 3.6V, 5V, 9V, 12V, and 24V. Simply match the supply voltage to your project's power source — making it compatible with the most common hobbyist and DIY power supplies without the need for additional voltage regulation.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this relay module difficult to set up for a DIY project?\u003c\/h4\u003e\n\u003cp\u003eA: No — this module is designed to be beginner-friendly for DIY and maker projects. The transmitter (remote) and micro receiver are pre-paired from the factory for basic on\/off switching, so you can get started right out of the box. Connect your power supply and load to the relay terminals, and you're ready to control your device wirelessly.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the wireless transmission range of the 433MHz RF remote?\u003c\/h4\u003e\n\u003cp\u003eA: The 433MHz frequency is well-known for its solid long-range performance compared to higher-frequency alternatives, making it a popular choice in DIY home automation and remote switching applications. Actual range will vary depending on the environment and any obstructions between the transmitter and receiver.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What devices can I control with this 433MHz wireless RF relay switch?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This 433MHz 1-channel mini relay module can wirelessly control any compatible low-voltage device within its supported voltage range (DC 3.6V–24V). 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