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Continue to ChatKopp Germany-Wireless Single Channel Relay (Warranty-20 Years) https://smarthomemart.in/product/kopp-germany-rf-receiver-1-channel-3-wire-1-switch-contact-relays/
Kopp Germany-Wireless Single Channel Relay (Warranty-20 Years) https://smarthomemart.in/product/kopp-germany-rf-receiver-1-channel-3-wire-1-switch-contact-relays/