App connection: The card copier can be connected to a computer or mobile phone for quick upgrades with just one key (supports Android and Harmony).Full frequency: support ID IC full frequency 13.56MHz, 125KHz, 175KHz, 250KHz, 300KHz, 375KHz, 500KHz and other frequencies.Built-in battery: The card reader has a built-in 400mah lithium battery, which supports type C communication and power supply, making it convenient and practical.NFC simulation: NFC simulation function with NFC function, devices that support NFC function can encrypt IC cards through one-click simulation.Main functions: This suite can achieve efficient decryption, editing, analysis, etc., and also supports functions such as card packs -click encryption.Type:Set 3Colour:BlackMaterial:MetalPackage Contents:1set x key fob clonerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.