RFID disk tag is optional with sticker, and anti-metal layer to mount on metal. RFID disk tag is optional with sticker, and anti-metal layer to mount on metal. Various shape and customization logo upon request. Applications for the Disc tag: Process Control & Factory Automation Item Identification Security Key Features: Dimensions: Dia 14/15/17/18/20/22/25/30/40/50mm Thickness Option: 1.0mm or 1.5mm Housing: PVC, lamination Water-proof: Yes, IP67 Operating Temperature: -20 to +60 Stockage Temperature: -20 to +65 PET material upon extensive requirement on temperature. Optional RFID ICs: 13.56MHz: Mifare 1K/4K/Ultralight (NXP) ISO14443A; I CODE SLI ISO15693; Tag-it HF2048; 125KHz: EM Marin EM4102/4100; 125KHz Unique GK4001; Hitag1/2; Atmel T5567; Reading Range: Depanding on RFID technology and reader design Optional function: Self-adhesive layer(3M or normal) Anti-metal layer Customization Support: Silk-Screen Printing LOGO Laser Engrave LOGO Jet Printing Serial Number Laser Engrave Serial Number