Grow K219-A+R502-F DC12V 6 Relays K219-A Fingerprint Infrared Remote Control Board+R502-F Waterproof Small Fingerprint Module

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Grow K219-A+R502-F DC12V 6 Relays K219-A Fingerprint Infrared Remote Control Board+R502-F Waterproof Small Fingerprint Module

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Have 6 SET Buttons and 6 Relays. One SET Button Controls One Relay. Each Relay Can Store 20 Pieces …

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Grow K219-A+R502-F DC12V 6 Relays K219-A Fingerprint Infrared Remote Control Board+R502-F Waterproof Small Fingerprint Module

Have 6 SET Buttons and 6 Relays. One SET Button Controls One Relay. Each Relay Can Store 20 Pieces Fingerprint, Total 120 Pieces. Same Fingerprint Can be Opened with Different Relay at the Same Time..syi