https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
K-500 Guard Tour Wand

K-500 Guard Tour Wand

Shenzhen Zoko Industry Development Co., Ltd
Region: China
Update: 05/20/2010
Key Specifications
 Press switch button when reading data, no need touch and never be worn

 Sound and light when reading successfully

 More simple design, more applied

 Card type: EMID Card (Read only)

 Low battery alarm function, data full alarm function

 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