https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
K-2000 Guard Tour Reader

K-2000 Guard Tour Reader

Shenzhen Zoko Industry Development Co., Ltd
Region: China
Update: 05/20/2010
Key Specifications
 English or Chinese display

 Sound and light when reading successfully

 Card type: TIID Card (Read only)

 Real Time Clock Inside

 With LCD display

 Replaceable 3.6 V Battery

 Metal luxury case, water-resistant and shake-resistant, resist low temperature

 Use RS232/USB cable to download data, don''t need communication stations

 Low tiny-power consumption, very low static state electric current

 Influence distance: 3 to 6cm

https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions