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All of our Pigeon rings are all black. It makes of Non-Lead, Non-Toxic material. The whole production process confirms to ROHS standard, Plastic cover is made of which would not stimulate skin .There have a plastic tube built-in it .You can wear it on foot of any fowl. The chip is SMC4001, only can read (O/R) type.
Pigeon Ringfrequency : 125KHZ
R/O SMC-F12CS
Memory :64BITS
Operating frequency:125KHz
Unique ID Code inside
Dimension: inner diameter<=10mm,hight<=12mm
Operating temperature:0~50
Storage temperature:-40~80
Validity :more than 5 years
Material: ABS
