Digital Look Fingerprint Keyless Stainless Steel Waterproof Glass Sliding Door. Easily set all functions on the app without having to read the manual or slowly set them through the keyboard.Open the lock by app remotely or nearly. Upload attendance records to APP remotely without gateway(Super useful features). Change a time of battery can be used for 12 months(50% less power consumption than TUYA). IC cards(ic card): x 5. Hole opening diagram x 1. There may be some delays due to flight, holiday, weather, local post, local natural disaster impact. It must also be in the original packaging.