This is a door access control with OLED display screen. Visual operation menu, easy and clear for operation. Supports WiFi function and smartphone management. Supports OTA online upgrade function(the WiFi models have these functions) Supports 5000 card and password users, 100 fingerprint users(500 fingerprint users optional). Supports door opening by card/password/fingerprint/multi-users. Supports Wiegand output/input,can be set to card reader mode. The waterproof level conforms to IP67 Temporary password unlock If it is inconvenient to travel, you can use a temporary password to remotely unlock Management card function Set up management cards, add or delete cards quickly and easily Fingerprint user:100 or 500 (factory default: 100) Card/PIN User:5000 Working voltage:DC10-24V Standby current:Less than 60mA Working current:Less than 120mA Card type:EM or or EM& card Card swiping frequency:125KHz/13.56MHZ Reading range:Less than 60mm working temperature:-20°C~+60°C Working humidity:10%~99% (The product printed words depending on the batch, but this does not affect use) Color: As Shown Material: Aluminum Alloy Package Contents: 1 x Tuya Wifi Door Lock Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.