Below is the customer feedback sent to the lock, put something very lightweight, high-end atmosphere on the grade. The lock is suitable for all countries, but Europeans and Americans will be biased in favor of this. The lock looks very fine, very small, very simple installation, like this good iron glass installation, the door is also very convenient, but also a very clear fingerprint. The lock is made of zinc alloy, the lock screen is the LED display, the display is very clear. And, regardless of left and right open, the handle is free to rotate, left open on the door keypad lock left want to open, want to open on the right to open the right. biometric fingerprint reader Many customers are in favor of this, it is very popular!