433 MHz Wireless Remote Relay Receiver — compact inline switch for remote on/off control with up to 328 ft reliable range Key benefits Longrange, reliable control: Uses a 433 MHz wireless signal that penetrates floors and doors so you can operate equipment from a distance — maximum range up to 328 feet. Simplifies installation and retrofits: Install the receiver between the device and its power supply to add remote on/off control without rewiring existing controls. Fits tight spaces: Small receiver kit (20 × 40 × 10.5 mm) easily mounts inside canopies, junction boxes, or electrical boxes where space is limited. Broad compatibility: Designed for generalpurpose industrial and safety applications — works with lighting, fans, dust collectors, wireless security or door alarms, and other remotecontrolled equipment. Function and performance Signal: 433 MHz wireless, capable of penetrating floors and doors for dependable remote operation. Function: Acts as an inline relay switch to turn connected devices on and off remotely. Size: Compact receiver measures 20 × 40 × 10.5 mm for easy integration into enclosures and fixtures. Application scope: Suitable for industrial control, lighting control, wireless security systems, and remote equipment switching. Practical use scenarios Warehouse lighting: Mount the receiver inside a lighting canopy to switch bay lights on and off from a central office or control point without running control wiring. Workshop or exhaust control: Install between a dust collector or extraction fan and its power source to enable remote activation from the floor or office, improving safety and convenience. Security integration: Use with wireless door alarms or security systems to trigger lights or other devices remotely when an alarm is activated. Why choose this receiver Adds remote control capability quickly and without complex rewiring. Small form factor makes it suitable for retrofit projects and confined enclosures. Proven 433 MHz penetration and longrange performance for realworld environments. Notes Intended for use as an inline remote on/off relay; install between the controlled device and its power supply. Typical applications include lighting, lamps, fans, dust collection systems, wireless security and door alarms, and other wirelesscontrolled equipment.