Simple program design, simple operation Single Door Multi-user, support normal/safety work mode Can support 1000 users and 1 passwords With alarm functions, suitable compatible with outdoor useBuilt-in control and buzzer rang with Wiegand protocol input and output The unit is single door multifunction standalone access controller or a Wiegand output keypad or card reader. lt is suitable compatible with mounting indoor. lt is housed in a strong, sturdy and vandal proof Zinc Alloy electroplated case which is available in either a bright silver or matt silver finish .The unit has many extra features including Lock output current short circuit protection, Wiegand output , a backlit keypad,These features make the unit an ideal choice compatible with door access not only compatible withsmall shops and domestic households but also compatible with commercial andin dustrial applications such as factories , warehouses , laboratories, banks and prisons. Working Voltage:DC 12V Operating Temperature:-31℃-63℃ Static Current:400mA Max. Current:130mA Detection Distance:65mm Card Type:EM/ID Frequency:125KHz Work Humidity:0%-95% Colour:As Shown Material:Metal Note: Installation guide not included, we strongly recommend you seek professional installation. Please check as much as possible to make sure the item is what you need. Due to different batches, there may be differences in product appearance and printed text, which will not affect use Package Contents: 1 * Metal Keypad Reader 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.