Stable performance, excellent technical support, stable performance Long working time, 3.7V lithium battery, and low power consumption, no need to worry about running out of power Simple operation, convenient and fast use, simple operation High brightness display, clear display both indoors and outdoors Working frequency: 134.2/125Khz Tag standard: IS011784/85 -B and EMID Reading distance: 5-20cm (depending on tag performance) Storage quantity: 1024 Reading time: 100ms Charging : USB Charging voltage: 5V Operating temperature: -309C~709C Supported language: English Colour:White+Black Material:Plastic Package Contents: 1 x Animal Chip Reader 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.