FAQ

A:We usually deliver you the samples by international express so that you can sign up at your side face to face. As to the bulk order, we usually ship by sea or air transportation, which depends on the weight and volume of goods, and also your preference.

A:In general, it takes 15 to 30 days to deliver goods to your port by sea. You could choose the air transportation or door- to-door delivery by international express service to deliver goods within the range of 6 to 10 working days that depends on your location. We provide the corresponding goods logistics notes or tracking number initiated by the air transportation or express company. You can fellow up the latest logistics information simultaneously.

A:For problems due to our mistake such as products model unmatched, quality problems, we provide after-sales service including replacement, repairing etc., MOQ provides an additional proportion of spare products to reduce the risk of costs caused by international freight transportation. 
As to how to install, initialize and be in use, besides the instruction manual, we provide remote online support including online videos. 
Most of our products provide the quality guarantee period of one year.

A:The production lead is determined by the quantity of the order. For example, 1000 cat's eye visual doorbells can be available for 5 to 15 days, however we need 25 to 35 days for 1000 pieces of intelligent locks. 
We provide OEM/ODM and some other items can be customized such as logo, colors, packing boxes, etc., however, there is a Minimum order quantity requirements that we can offer such requirements

A:International standard AA dry batteries are used by our locks, so that it is easy to replace and maintain. Generally speaking, battery life can reach more than 180 days with normal operating environments.
We generally do not bond the batteries with locks to reduce transportation costs and time, especially considering the long time for international transportation.

A:Our locks can be widely used in wood, metal, a variety of composite materials of the door. The thickness of door is suitable ranged from 40mm-110mm. 

A:No, our lock is powered by a standard dry battery, but it can be connected to the power supply directly in case of emergency.

A:Most of our locks are with the latest technology of biometric fingerprint sensing, which can effectively prevents fingerprint to be copied such as unlocking the lock by artificial fingerprint film.

A:We need the old door’s information about the thickness of door, length and width of the guide plate and the direction to open (left or right). And for more details we need to discuss closely and confirm

A: 1) Be matching your needs at functional level. You should know the application scenes of the lock and what is the main function the lock needed.
2) select proper material of the lock and please let us known if your application environment in the extremely conditions.
3) Fill the details of the door including the thickness of the door, length and width of the guide plate and the direction to open (left or right) of the door.

A: 1) Please use high-speed TF card with good quality
2) Restart the Smart visual doorbell
3) Try to wipe the golden finger area with alcohol to ensure TF card contacted

A:Yes, our smart visual doorbells are available at night with a high-definition night vision solution.

A:For energy saving, the screen closes automatically in 15 seconds without any action, and the interval time lapse can be adjusted by setting

A:The peephole is installed on the entrance door, and the wireless doorbell can be installed on the door or on the wall. It is easy to fix on.