Check the listing for details. Micro Small 125KHz RFID EM ID Proximity Induction Token Tag for Patrol. Condition: New. Listed at 39.00 USD. Document Features Operation frequency: 125Khz / Standad EM ID (Read only, Not HID or IC tag) Compatible with all 125KHz ID reader to gain access and the animal identification Detecting distance: 0-5cm / 0-1.97in Each tag pre-programmed with unique ID but not print on the case Waterproof performance: Waterproof Specification Operation frequency 125Khz / Standad em ID (Read only, Not HID or IC tag) Compatible Compatible with all 125KHz RFID reader to gain access and the animal identification Detecting distance 0-5cm / 0-1.97in Feature Each tag pre-programmed with unique ID but not print on the case Working temperature -40℃~+85℃ / -40℉~185℉ Waterproof performance Waterproof Packaging material ABS Size 6(D)x26(L)mm / 0.24x1.02in Package 10 x Induction Token Tag or 50 x Induction Token Tag or 100 x Induction Token Tag (you choose)