Characteristics: 1. It supports 11784/11785, -B and ID64 RFID. 2. Easy to operate; a button to read. 3. Backlight screen makes it convenient to read. 4. History data can be read in internal read mode. 5. Alarm when battery is below 7.8, in low battery. This RFID reader is smaller, simpler and easier to operate. It adopted with rechargeable lithium battery which is more environmentally friendly. It can handle all 134.2KHz -B tags. It supports for 11784/11785, -B and ID64 RFID. Backlight screen makes it convenient to read and you can read history data in internal read mode. The reader will alarm while in low battery. Specifications: Frequency: 134.2kHz Reading Standard: for ISO11784 / 5, -B, ID64 Continuous Working Time: 5 hours Battery: Lithium Battery Product size: . 6 x 12 x 1.5cm / 2.4 x 4.7 x 0.6in Size: 12.5 x 61.5mm / 0.5 x 2.4 inch Weight: . 119g color: Black Material: plastic Package Contents: 1*Pet Scanner 1*Charging cable Only 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.