KTNNKG Remote Alarm Siren Horn Control Loud Voice Ideal For Home Security Protection System Warehouse Factory School Garage Hotel

Technical Parameters: Size: L * W * H: 12mm * 10.2mm * 11mm Power: AC 110V ~220V Wireless operating frequency: 433MHz Relay transceiver: DC12V Alarm horn material: stainless steel The alarm sound: up to 110 dB Notice:The remote controller has been paired well with the relay, it can work directly. "ON" - Work "OFF" - Stop Remote control distance: 50-100m Package included: 1 x Alarm horn 1 x Realy transceiver 1 x Remote controller