Key Board: No Keypad ( DS-K1101M )Keypad with 12 Keys (0 to 9, *, #) ( DS-K1101MK) Audio Alert: Beeper Power Supply: 12VDC Power Consumption: ≤2W LED Indicator: Power Indicator; Status LED Indicator Protection Level: IP 64 Installation: Applied for 120 Gang Box Only Certification: CE, FCC Working Humidity: 10% to 90% (Non-Condensing) Working Temperature : -20°C to +65°C (-4°F to +149°F) Dimensions (L×W×H): 132.0mm × 92.3mm × 20.5mm (5.20” × 3.63” × 0.81") Weight: ≤ 0.14Kg td {border: 1.0px solid #cccccc;} br {mso-data-placement: same-cell;} #PC+ABS material shell with PMMA panel design; #Equipped with the 32-bit high-speed processor; #Built-in audible beeper; #Display the reader status with LED indicator; #DIP switch; #RS485 and Wiegand(W26/W34) protocol; #Tamper-proof alarm; #Online upgrade function(under the 485 communication mode), and card reader can degrade to pre-upgrade status in case of upgrading failed; #Watchdog design for repairing itself in case that exception occurs, to ensure the long service life of the reader; #Dust-proof and water-proof design; #Read Mifare card and obtain the card No.; Brand No Brand SKU 100274144_NP-1020528207 Model DS-K1101MK