Its Just a Sensor. It can't work stand alone, and doesn't have any Alarm or Siren inbuilt, You need to have a GSM Based Wireless Security Alarm System to use this sensor.
Easy to install--just peel and stick, Built-in omnidirectional antenna - The door/windows alarm with built-in antenna to strengthen the signal, make it more sensitive
Can't work standalone - The door detector work with home alarm system,use as alarm accessories.
Low-voltage reminder function - When wireless door sensor is in low voltage, it will flash light all the time to remind user change the batteries.
Magnetic sensor switch detects entry protecting your home or office. Superior circuit design, High-performance and low power consumption.
Shipping: We process orders swiftly, typically within 1 day. Choose from a range of shipping options during checkout, including standard and expedited services. Estimated delivery times are provided at checkout, though please note that external factors may affect delivery schedules. You'll receive a shipping confirmation email with tracking details to monitor your order's progress. Shipping costs are calculated based on package weight, dimensions, and destination.
Returns & Refunds: Your satisfaction is our priority. If you're not completely content with your purchase, we accept eligible returns within 10 days of delivery. To initiate a return, contact our customer service. Items must be unopened, unused, and in their original condition with all packaging. Return shipping costs are generally the responsibility of the customer, except for errors on our part or defective items. Upon receipt and inspection of the returned product, refunds will be processed within 7 business days. Shipping charges are non-refundable, and potential restocking fees may apply.
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