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BWSS 12V RF Wireless Relay Remote Control Switch, 10A Universal 4-Channel 433MHz Remote Control Relay
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WOODGUILIN Wireless Relay Switch 12V,DC12V/24V/48V/72V 30A Relay, Remote Control Switch with 328FT Long Range for Anti-Theft Alarms,Roller Lind Door,Ceiling Lights,Gate Barriers.(12V 100M) - - Amazon.com
Quality Mobile Video WL-2CH-01 12V - 24V Wireless RF Remote Control Relay Switch 2-Channel Receiver with 2 FCC ID Transmitters
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433MHz Universal Wireless Remote Control Switch DC 12V 1CH Relay Receiver Module RF Transmitter 433 MHz Remote Controls - China Remote Control Switch and RF Remote Control