Cd100S Wireless Smart Door Detectors Home and Window Anti-Theft Sensor Long Range Doorbell Chime Alert | Безопасность и защита

Cd100S Wireless Smart Door Detectors Home and Window Anti-Theft Sensor Long Range Doorbell Chime Alert | Безопасность и защита

Design: Built-in antenna design, beautiful and refined.
Battery: adopt to Ultra-low power program control processing technology.
Devices: Easy to install and oversize detection range.
Function:: regular report when the doors and windows are not closed.
Installation: Special design make the installation more easy.
Durable and sturdy, the battery lasts for more than 1 year.
Easy installation, no wiring needed.
This premium white detector looks great inside your home.
Working voltage: 3V (2 AAA alkaline batteries)
wireless transmission distance: more than equal 150 meters (open space)
Transmission frequency: 433.92MHZ/315MHZ/868.4MHZ (optional)
Quiescent current: Less than equal 2mA
Emission current: Less than equal 15mA
Working environment: -10 degree -50 degree
Tamper switch: normally closed
Color: white
Material: Metal + plastic
Item Size: 77*50*19mm
Package Contents:
1 * Smart Door Detector
1 * English manual
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

• About tracking number update:
• If your tracking number is no logistics information, as thousands of parcels sent to foreign countries, logistics companies did not update logistics information, please contact us the first time, Please kindly do not directly open the dispute. We are the first time for you to solve!
• Time of shipment:
• All of product we can shipping out within 5~8 weekday, on usually we are according to customer orders time for packing and shipment, we need to carefully check the quality of the goods before to Ship, So take some time to handled.
• Time of delivery:
• Due to force majeure factors: hurricanes, rainstorms affect flights. Leading to logistics delays. We are honest sellers, will not let you suffer any loss. Please give the logistics company a little processing time, we wait for the package to reach your side.
• If your logistics information arrives at the local post office:
• If the local post office does hasn't contact you, please contact your local post office as soon as possible to get your package. Otherwise, overtime receipt of parcels, the local post office will return your parcel, the consequences of self-responsibility.
• Protection time is running out:
• When we have finished time of shipment, if the product protection period running out, please extend the product protection period by yourself or contact us, Please kindly don't open the dispute directly.
• Import duties:
• Taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility. Import duties, taxes and charges are not included in the item price or Shipping charges. These charges are the buyer's responsibility

• When you receive the goods, if there are any problem, please contact us and do not directly open the dispute. We promise we will give you a satisfied solution after we confirmed it. We also will give you a positive evaluation.
• We sincerely invite you to leave us a positive feedback with an overall Detailed Selling Rating (DSR) of 5 Stars. When you show your nice picture on our feedback area please sent message tell us, the next order contact me, will be additional surprises.
• Order amount 100 US dollars more than at same times , we can free shipping DHL,EMS, UPS, will become our VIP customers, enjoy additional benefits for all the life.

• Q: How can track my parcel?
• A: You can track your parcel on the following website using your tracking number: www.17track.net/en (Copied to the browser to open)
• Q: As a retail or wholesale to offer wholesale price if i lots of items?
• A: if you need to buy plenty of items at the same times, please contact me first. i will offer you the competitive wholesale price .
• Q: How Can i pay my order?
• A: Aliexpress supports Visa, MasterCard, Maestre Debit Card, Western Union, and wire transfer via bank.

• If items damaged,we must be contacted within 24 hours of receipt.

• If the item is in your possession more than 7 days, it is considered used and we will not issue you a refund or  replacement.
• If you are not satisfied when you receive the item (incorrect, damaged, defective, or item not as described), please return it within 7 days for a replacement or money back.

• For any personal reasons (choose a dislike or i needn't this product anymore),Return shipping charger will be the buyer's responsibility. We will not accept any items with odors(perfume.smoke,ect.)

• All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your order ID.