Please Kindly Noticed: If you use the T5577 Tag or card to copier WG26 H-id cards , After writing , The T5577 will not writable any more ! Duplicate the card ID from the EM4100 card or compatible with WG26 format T5577 em4305 ID Card for backup purpose Support 125KHz EM4100 card or compatible with WG26 format T5577 em4305 ID Card Simple operation WITH two buttons: Read button and Write button, needn't connect any other equipment. Built-in LED and buzzer indicators Built-in transceiver antenna Battery power supply: 3 V (2 x AAA battery) ( It doesn't included! ) Protable design: 115 x 70 x 30 mm HOW TO USE IT : The steps of Operation as below: Step 1 Switch On , Power Led should flash one second. Step 2 Put a card what should be copied in Read Area. Step 3 Press Read Button, If Read oK Read Led should flash and Beep sounds. Step 4 Put a card should write , Press Write Button and keep press, about one second ,if Beep a sound means Copy succeed. Step 5 If want write more card with the same ID ,repeat step 4 Step 6 Switch Off for save Power. Support Tag