Support UHF tag protocol ISO18000-6C Support ios, android and other intelligentsystem platforms. Communication interface tsara: 3.5mm audio interface (common headphone jack) Vakio ny halavirana: 50cm（depend on tag size） Work time: continuous 3 ora,query over 30000 fotoana. Ny fahaiza-manao bateria：550mA Charge method：USB 5V/0.5A，charge time 2 ora. Work environment temperature: -20℃~+60℃ Material: ABS+PC engineer plastic. Size：42×48×15mm Weight：35g Notice: Ilaina ny JavaScript amin'ity atiny ity.