Operating frequency: 2.4GHz~2.5GHz Working style: active and passive combination Read/write mode: read-only Communication method: active mode Communication interface mode: RS232, RS485, Wiegand, Ethernet Recognition accuracy: 99.999999% working voltage: DC7.5~12V Working current: < 100mA Working temperature: -25℃~+75℃ Storage temperature: -40℃~+85℃ Working humidity: less than 95% habitationi materia: aluminum alloy Equipment size: 145mm×100mm×28mm