
ZKTeco TK4100, 25 x 40mm, 125Hz, ID Crystal Fob Printed On Both Sides, EM Format
The ZKTeco TK4100 ID Crystal Fob is a compact and reliable access control solution designed to enhance security and convenience. Operating at a frequency of 125Hz, this fob ensures seamless compatibility with EM format systems. Measuring 25 x 40mm, it offers a sleek and lightweight design, making it ideal for keyring attachments.