Thickened ABS plastic case, supporting 1000 users. You can open the door by card, password, or a combination of both. | With exit button, magnetic switch, external alarm and Wiegand output and input interface. | Waterproof rating IP67, suitable for outdoor use, don't worry about rainy days. | Equipped with an administrator card to add or remove users more convenient. External doorbell can be connected, the doorbell signal is clear. | Relay mode includes unlock mode or switch mode, makes your life more convenient.