Function related "C" reset key When you start to enter the password, you can press the "C" reset key to reset the password, and then perform the action of entering the password. When you enter half of the password, forget the operation or enter the wrong password in the middle, you can press "C" reset key to re-enter the password. Tailgate To change the password, you need to open the rear panel to perform the password change operation. After changing the password, you need to restore the rear panel. and tighten the screws.The number on the bezel is the password number, which needs to be inserted into the corresponding password plug-in. Password rules Passwords come in various combinations. For example, the password is "Y123", when you enter "Y321", "Y213", "Y132" and other combinations, the lock can be unlocked. The order can be arbitrary, but the password numbers cannot be wrong. Read more Function keys and accessories Deadbolt control key When needed, the locking and unlocking of the deadbolt can be controlled by the control key. Left and right handed habits For your own living habits, you can change the orientation of the door handle by changing the position of the control screw. more in line with your lifestyle. Encrypted and non-encrypted keys There are two types of password plug-ins: one is a password plug-in, and the other is a non-password plug-in. The password key is for unlocking, and the non-password key is for filling the remaining password holes. Read more Applicable scene Comprehensive scene Brightison mechanical combination locks can be used in a variety of places. Indoor, outdoor leaks, mobile homes, collective dormitories, hotels, etc. Indoor Bedroom kitchen Garage Living room Hallway door Outdoor Brightison mechanical combination locks are not afraid of rain and do not require batteries. Can be used in many places outdoors. mobile home Fence Fence gate Greenhouse door Read more Features: Brightison Keyless door lock, no more keys to hide, lose, carry or forget, experience the freedom of keyless convenience, no battery required. The Brightison Mechanical keyboard lock has two channels: automatic locking mode and non-automatic locking mode, you can set the needed mode as you want, convenient and practical. Changing the screw position at the back can switch the left and right hand habits.The handle is flexible and easy to operate, precision die casting process, convenient rotation, with a unique design, more in line with your habits. It can be used in home, warehouse, office, hotel and other occasions, simple operation beautiful appearance, it is your best choice! DIY and set your own password, codes are easily added or deleted right at the keypad using the doorlock unique programming code. Specification: Brand：Brightison Condition: 100% Brand New Suitable for door：Wooden door Suitable for door thickness: 1 3/8” to 3.1” Material: Zinc Alloy Open Method: Password Color: Silver Surface Treatment: Forged chrome Waterproof: Support Open the door left and right: support Suitable for: school, dormitory, family Package Size: 21.5*13*7.5 cm / 8.5*5.1*3 in Weight: Approx. 1172g / 41.3 oz. P ackage list: 1 * External Door Keyboard 1 * Inner Door Device 2 * Door Lock Gasket 1 * Rotating Flat Shaft 2 * Door Bolt（60MM and 70MM）/(2-3/8'' and 2-3/4'') 1 * Door Frame Inner Sleeve 4 * Tapping Screws 1 * Door Bolt Fixing Column 1 * Tweezer 3 * Fixing Bolt (select 2) 4 * Change Password Sheet (spare part) (click red is password sheet * 2, click blue is normal sheet * 2) 1 * Unlock Password Card. Note: Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Brightison Keyless door lock is only suitable for wooden doors, if you are new, please do not try to install Brightison.