[TWO-WAY SECURITY] This double sided smart gate lock waterproof features keypads and cylinders on both sides,with the keys being identical. - Enabling multi-functional control for secure access both in and out.50 acess codes each keypad,and the backlit keypad makes it easy to operate day or night. - For garden gates or fences door,and exterior or interior doors that require two-way entry control. [FLEXIBLE SETTING] This electronic keypad door lock is highly customizable,with options for automatic or manual locking and bi-directional or uni-directional control. - Can be set to automatically lock the door 2s to 12hr after closing the door or be set to not lock when there's a lot of coming and going. - Perfect for home entrance,commercial offices,medical facilities,departments,etc. [PASSWORD SYNCHRONIZATION] With the sync switch turned on,any changes made to the code on one side of the lock will be automatically updated on the other side as well, saving you time and hassle. - Plus,anti-peeping user code protection,low battery beep,Low power consumption,4 new AAA batteries available for over a year. - Type-C USB charging port for emergency,peace of mind for you. [DURABLE & WEATHER-RESISTANT] This keypad code lock with handle is made of high-quality zinc alloy and features an electroplated coating,heavy duty and 2 solid lock cylinders. - This digital keypad door lock is designed with an IPX6 rating, making it waterproof,and can withstand temperatures from -22°F to +176°F,for All-weather use. Suitable for garden gates,fence doors,community entrance,swimming pool,public access,church,library,warehouse,etc,where bi-directional control safety is necessary.