RFID Checkpoint Tag : Guard Tour Checkpoint Tag WM-30A Uses EM format RFID signal:125Khz (EM4100 or compatible chip) Non-contact reading, reading distance:1-5cm, you do not need touch the tag. Material: ABS Color: White or Black Diameter: 25mm, 29.3mm, 30mm, 35mm, 40mm, 52mm With epoxy can be waterproof Each tag come with a unique ID number Weight: (3-5)g±0.3g Temperature: -20 to 55 degrees Celsius All Products Messenger
