Features: 1) Dimensions: 48 x 42mm (1.88"×1.63") 2) Frequency: 8.2MHz 3) Colors available: b Features: 1) Dimensions: 48 x 42mm (1.88"×1.63") 2) Frequency: 8.2MHz 3) Colors available: black, grey, white or cusiomized 4) Various specifications available: mini / large round, mini / large square Outer packing: 1,000pcs/ctn Mini Square RF Hard Tag