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XY-MB021F Bluetooth Relay Module Single Channel Automatic Activation DC 5-12V Wireless Control Stable Performance Configurable Settings AT Command Support
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Shipping to: United States |
Express delivery: 7-12 business days |
Standard delivery: 15-25 business days
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Shipping Policy
Return PolicyFree Gift
Welcome to Roymall, your professional website for purchasing premium department store gifts. We highly value and appreciate your support, and we want to express our gratitude by adding an extra touch of excitement to your purchases. When you shop with us, you not only get to enjoy high-quality products that enhance your lifestyle, but you'll also receive an exclusive free gift with every order you place. Ready to explore our collection and find your perfect gifts? Browse our selection of premium department store items, place your order, and look forward to the excitement of your free gift arriving alongside your purchase.Shipping Policy
We will work hard to deliver items to you after receiving your orders and make sure they arrive safely. Delivery details will be provided in your confirmation email.In most cases, orders are processed within 2 days.Under special circumstances, it will be delayed as follows: When you place an order on Saturday, Sunday or public holidays, it will be delayed for 2 days..Normally, it needs 5-7 working days (Monday to Friday) without being affected by flight delay or other environmental factors..Because our shipping service is worldwide so the delivery times will depend on your location so it may need a few times and please wait patiently if you are in remote districts or countries.1. Return & Exchange Policy
We only accept items purchased from roymall.com. If you purchase from our local distributors or other retailers, you cannot return them on our side. Final sales items or free gifts are not acceptable for a return. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.After receiving return instructions from us, please package up your returned items and drop your package at the local post office or another courier.We will process your return or exchange item within 3-5 working days after we receive it. The refund will be processed and credited automatically to your original method of payment.No returns or exchanges can be accepted if the product was custom produced, including custom size, custom color, or custom printed.Need more help, please contact us. service@roymall.com or Whatsapp: +447549870296
2.Refund Policy
You'll get a full refund or 100% store credit after we receive the returned package and check it. The refund will be processed and credited automatically to your original method of payment. Please note that shipping costs and any duties or fees are not refundable. The extra shipping costs are non-refundable once the package has been shipped. You are responsible for paying these fees and we’re unable to waive or refund them, even if the order is returned back to us.Once we received and confirmed your returned item, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.If you have any problems regarding the refund process, please contact us. service@roymall.com or Whatsapp: +447549870296Specifications:
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 stabilizers
Features:
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
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