The Salto PSM01K-100 1K Mifare white round stickers are ideal for adding access control to various items such as phone cases, wallets and cards. These RFID circular stickers have a read range of up to 10cm and do not require batteries, allowing for an infinite number of reads. Sold in packs of 100, they are self-adhesive and waterproof, operating at a frequency of 13.56MHz.Adds access control to items such as phone cases, wallets and cardsRead range of up to 10cm without requiring batteriesSold in packs of 100, self-adhesive and waterproof