Support UHF tag protocol ISO18000-6C Support ios, android and other intelligentsystem platforms. ចំណុចប្រទាក់ទំនាក់ទំនង: 3.5mm audio interface (common headphone jack) អានចម្ងាយ: 50cm(depend on tag size) Work time: continuous 3 ម៉ោង,query over 30000 ដង. Battery capacity:550mA Charge method:USB 5V/0.5A,charge time 2 ម៉ោង. Work environment temperature: -20℃~+60℃ Material: ABS+PC engineer plastic. ទំហំ:42×48×15mm Weight:35g Notice: JavaScript គឺចាំបាច់សម្រាប់មាតិកានេះ។.