Fangrui Product Details Dual-frequency Card Reader, Strong Compatibility, Supports Two-frequency Tag Identification, Used For Animal Breeding Management, Such As Cattle, Pigs, Fish, Etc., Also Suitable For Access Cards, Work Permits, And Other Common Items. 1.44inch Color Large Screen, Clear Operation Functions, Even In The Hot Sun, Can Be Clearly Displayed, And There Is A Buzzer Prompt When Reading. Built-in Lithium Battery, Large Capacity And Worry-free Battery Life, 800mah Rechargeable Lithium Battery, Long-lasting Battery Life, Automatic Sleep, More Power Saving, Can Work Continuously For 6 Hours. Can Store 1,000 Pieces Of Information, Using High-performance Chips And Processors, Can Meet The Needs Of Farms And Pet Stores. Three-key Position For Easy Operation, Three Function Buttons, Intuitive And Easy To Operate. Tag Format:emid, -b (iso11784/85) Working Frequency:134.2khz/125khz Standard:iso11784/85 Reading Time:less Than 100ms Reading And Writing Distance:2-12mm Glass Tube Tag 8cm Reading And Writing Distance:30mm Anim