Main feactures: 1. Compatible with other access control system. 2. With standard wiegand output signal . 3. With oled display , buzzer and led lights 4. Built-in watch dog funtion 5. Oled display is programmable , allows users to edit the text via 2 different input interfaces . 6. Built-in buzzer for sound indicator , the length and times of the sound are programmable . 7. Suitable for the parking system when the rf siganl was cuted off . 8. Built -in perpetual calendar , can be set on the card reader directly. 9. Built-in doorbell button . Dimension: 95, 95, 21, mm operating voltage: dc9-15v Consume power: less than 1 w operating current : 120 ma Card type : 125khz em id card read range: 60(mm) Output format : wg26/wg34 cable distance : 150m Tranmit rate : 1bit/ms reading tips : buzzer / oled display Keypad output :4bits/8bits weight: 115g Color:white/black material : pc +ab, lens: pmma Operating temp: -30íµ +65íµ