ID Card USB Reader Type C Ultrahigh Frequency Industrial Desktop Family Proximity Card Identification Device D200H Item Type: ID Card USB Reader Communicating Interface: Type C USB2.0 Operating Voltage: 5 VDC Operating Power Consumption: 840mAh (26dB) Standby Power Consumption: 150mAh (26dB) Power Supply: 5V USB Product Size: Approx. 176 x 136 x 18mm / 6.93 x 5.35 x 0.71in Operating Frequency: SRRC-MI (China) 920-925MHz FCC (USA) 902-928MHz Testing Software: Provides DEMO software Development Kit: Provides for SDK development kit, provides for C programming language, for Android, for Java development routines Encryption Function: Can be directly encrypted, prevent copy, possess higher security Output Power: 0-27dB Read And Write Distance: Effective Reading Distance For Standard White Cards: Approx. 0 ~ 60cm / 0 ~ 23.6in