{"product_id":"433mhz-1ch-rf-relay-receiver-wireless-remote-switch-module","title":"433MHz 1-Ch RF Relay Receiver Wireless Remote Switch Module","description":"\u003ch2\u003e433MHz 1-Channel RF Relay Receiver — Wireless Remote Control Switch Module\u003c\/h2\u003e\n\u003cp\u003eTake control of your lighting setup without running a single wire. This compact \u003cstrong\u003e433MHz 1-Channel RF Relay Receiver Module\u003c\/strong\u003e lets you wirelessly switch LED light strings, Christmas tree lights, low-voltage lamps, and other DC-powered loads — all from up to 30–50 metres away in open areas. At just 22.5 mm × 11 mm × 8 mm, it tucks neatly into virtually any enclosure or project.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Input\/Output Voltage:\u003c\/strong\u003e DC 3.6 V – 24 V, making it compatible with a broad range of low-voltage setups\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThree Working Modes:\u003c\/strong\u003e Momentary, Toggle, and Latching — choose the behaviour that suits your application\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Sensitivity Reception:\u003c\/strong\u003e ≥ −107 dBm sensitivity ensures reliable signal pick-up\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Low Power Draw:\u003c\/strong\u003e Static current of only 3.6 mA – 5.5 mA keeps energy consumption minimal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Load:\u003c\/strong\u003e 2 A — suitable for LED strings and low-power DC devices\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupports Up to 10 Remote Controls:\u003c\/strong\u003e Store multiple transmitters using the simple Learning Button pairing process\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoding Format:\u003c\/strong\u003e 1527 learning code with ASK (superheterodyne) modulation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −20 °C to +80 °C for reliable year-round use indoors or in sheltered outdoor spaces\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWireless Range:\u003c\/strong\u003e 30–50 m in open areas (range varies with obstacles, walls, and nearby metal enclosures)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e433 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eASK (Superheterodyne)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 3.6 V – 24 V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 3.6 V – 24 V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Load Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStatic Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.6 mA – 5.5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReception Sensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≥ −107 dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStored Remote Controls\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 10\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMomentary \/ Toggle \/ Latching\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e−20 °C to +80 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22.5 mm × 11 mm × 8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 433MHz 1-Channel RF Relay Receiver Switch Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLED lamp strings and decorative lighting\u003c\/li\u003e\n  \u003cli\u003eChristmas tree and holiday light control\u003c\/li\u003e\n  \u003cli\u003eDIY home automation and smart-switch projects\u003c\/li\u003e\n  \u003cli\u003eLow-voltage DC switching applications\u003c\/li\u003e\n  \u003cli\u003eMakers, hobbyists, and electronics enthusiasts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor general guidance on safe DIY electrical and electronics projects, visit the U.S. Consumer Product Safety Commission (CPSC) for consumer safety resources.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What devices can I control with this 433MHz RF relay receiver module?\u003c\/h4\u003e\n\u003cp\u003eA: This 433MHz 1-channel RF relay receiver module is designed for low-voltage DC applications (3.6 V–24 V, up to 2 A). It works great with LED light strings, decorative lamp strings, Christmas tree lights, and other compatible low-power DC devices. It is not intended for mains AC circuits.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I pair a remote control transmitter with this receiver module?\u003c\/h4\u003e\n\u003cp\u003eA: Pairing is straightforward using the onboard Learning Button. Press the button to enter learning mode, then press the desired button on your 433MHz transmitter — the module will store the code. You can store up to 10 different remote controls. The module supports 1527 learning-code format transmitters.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the difference between Momentary, Toggle, and Latching modes?\u003c\/h4\u003e\n\u003cp\u003eA: \u003cstrong\u003eMomentary\u003c\/strong\u003e mode activates the relay output only while the remote button is held. \u003cstrong\u003eToggle\u003c\/strong\u003e mode switches the relay on or off with each button press. \u003cstrong\u003eLatching\u003c\/strong\u003e mode keeps the relay in its last state (on or off) until the next command is received — ideal for lights you want to stay on without holding the button.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What affects the wireless range of this RF receiver?\u003c\/h4\u003e\n\u003cp\u003eA: In open areas, the module can typically reach 30–50 metres. Walls, metal enclosures, electronic interference, and other physical obstacles will reduce the effective range. Positioning the receiver away from large metal surfaces and interference sources will help maintain the best possible range.\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 RF relay receiver module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This 433MHz 1-channel RF relay receiver module is designed for low-voltage DC applications (3.6 V–24 V, up to 2 A). It works great with LED light strings, decorative lamp strings, Christmas tree lights, and other compatible low-power DC devices. It is not intended for mains AC circuits.\"}}, {\"@type\": \"Question\", \"name\": \"How do I pair a remote control transmitter with this receiver module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Pairing is straightforward using the onboard Learning Button. 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