Features:Made of ABS with stainless steel key ring.The RFID key fob can be copied and is rewritable, it only supports a frequency of 125KHz.This proximity ID card key fob has characteristics of small appearance, not fade, waterproof, easy to carry, can be hung on the key, durable and long service life.ID card key fob is widely used for identification, such as door entry access control system, attendance system, etc.Note:Need to use a dedicated copy device for writing and can be used after writing the card successfully.Supported 125KHz only; 5200 chip is invalid for the Internet firewall.Specifications:Color: BlueShape: OvalModel: 5200Applicable Frequency: 125KHzMaterial: ABS, Stainless SteelBody Size: 34x27.5x6.7mm / 1.34x1.08x0.26 inch (L*W*T)Package Includes:5 x ID Card Key Fobs.
eBay