125 kHz transponder. Can be embedded into custom housings and mounted on virtually any surface, such as metal, plastic, wood, paper and water, making them ideal for tracking any form of asset, including but not limited to: tools, equipment, pharmaceuticals, production inventory, metallic kegs, gas cylinders or waste containers. Chip Type: Unique (64 bit read-only). Reading Distance: Dependent upon reader, environment and application. IP68. Operating Temp: -25° to +85° C. Size: 2.12 x 9 mm. MOQ: 2.000 units. Box Size: 2.000 pieces.