XY-MB021F Bluetooth Relay Module Single Channel Automatic Activation DC 5-12V Wireless Control Stable Performance Config

Specifications Model XY MB021FInput Voltage DC 5 12VOutput Interface Single channel relayCommunication Method Wireless Bluetooth mobile phone proximity based Configurable Methods APP mini program serial portSupported Commands AT command modification for relay signal values modes and timingInterfaces Preset UART port for command sending receivingMaterial Embedded with multiple voltage stabilizersFeatures 1 Automatic Activation without Additional AppsSupports automatic activation when the mobile phone comes into proximity eliminating the need for additional app based system pairing 2 Multiple Configuration MethodsAdjustable settings through APP mini programs or serial port options providing flexibility and convenience across different usage scenarios 3 AT Command CustomizationAllows users to customize relay signal values operational modes and duration using AT commands for tailored functionality 4 Wide Voltage CompatibilityDesigned to accept DC input voltage between 5V and 12V making it suitable for varied power supply setups 5 Stable Performance with Enhanced ComponentsEquipped with advanced voltage stabilizers and quality components to ensure consistent output and reliable operation Package Included 1 x Single channel Bluetooth Proximity Switch Relay Module1 x 2 4p Single Pin Jumper