A door bell button at the front allows visitors / guests to announce their presence. Independent door bell keypad with luminous background is convenient for punching in the darkness. Suitable for middle and small-sized enterprises. Effectively prevent unauthorized people from entering and leaving the area, and using fingerprint passwords is more secure. Voltage :DC 12V Relative Humidity:20%90%RH Cards Capacity :1000pcs Public Password :1 Private Password :1000 Frequency of reading ID Model:125KHz Signal output relay output or level output Exit Button :1 Doorbell :1 External Reader :1 Wiegand 26 interface(only apply to cetain models) Size :115 x 76 x 22 mm / 4.53 x 3.00 x 0.87 inch.1 Piece RFID Metal Access Control Device 1 Piece Electric lock 1 Piece Power supply 1 Piece Exit button 1 Piece DoorBell 10 Pieces Keyfobs. Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. People always bought together with. This item is in the category "Home, Furniture & DIY\Home Security\Padlocks". The seller is "fellaptop" and is located in this country: CN. This item can be shipped worldwide.