Specifications Model Number:chameleon Origin:Mainland China Smart home platform:None 1)The Product Does Not Contain Batteries When It Leaves The Factory, The Battery Used Is A Button Battery. 2)It Can Load And Dump Data Cards, Can Store Eight Cards With A Capacity Of 1-4k, And Can Store Card Communication Emulation. 3)Built-In Button Battery, Long Standby Time, Easy To Use. Graphical PC Control, Simple And Intuitive; Automatic Calculation Of Detection Results. 4)Parameter Offline Simulation Map Management Model: RDV2.0. 5)Frequency: 13.56 MHz 6)ISO: 14443A 7)Technical Support:> MF_classic_1K (M1 S50 Or Compatible With The Chip) > MF_classic_4K (M1 S70 Or Compatible With The Chip) > MF_ULTRALIGHT (M1 Ultralight Or Compatible With Chip) > MF_DETECTION (Discovery Card, Used To Discover Key) 8)LED: 8 9) Batteries: CR2032 (More Than Three Years) Reading: Automatic Description 10)Detection: Yes (No Motherboard Required) 11)Software: Menu (Very Simple) 12)UID: Yes 13)Analog Card: Yes 14)West Asia: 81.6 * 50mm 15)Box: 87.1 * 54.6mm 16)Due To Different Communication Protocols, This Machine Does Not Support Read-Write Cards With Power Supply. 17)If You Have Any Questions, You Can Contact The Customer Service Representative Of The Store And We Will Answer You. Most Cards Can Be Detected, But Not All. 18)It Is Suitable For Most Scenarios, But Not All. In Some Special Protection (Device Network Login) Scenarios, It May Not Be Available! 19)This Machine Does Not Have A Separate Copy Of The Card Writing Function. It Needs To Cooperate With A Device For Reading And Writing (ACR-122U, Proxmark, ICOPY, Etc., If You Need It, Please Contact Customer Service). The Use Of This Machine Requires A Certain Basic Ability. Provide A Complete Tutorial, Please Take It Carefully. Dear Friend, Thank You Very Much For Visiting Our Shop To Purchase. If You Encounter Any Problems, Please Contact Me First To Solve Them For You. This Shop Provides Free Machine Software And Technical Guidance Within The Capacity (Whether You Shop Or Not, I Hope To Help You) Our Own Factory Can Provide You With A One-Stop Solution Service And Support The Customization Of Card Machine Products. If You Need Assistance, I Will Be Happy To Help. I Wish You Good Health And A Happy Life.