Test items ：Leukocytes, Nitrite, Urobilinogen, Protein, PH, ERY, Specific-gravity, Ketone, Bilirubin, Glucose, Vitamin C Measure system ：White LED and color sensor Throughput： 140 tests/hour (fast mode), 50 tests/hour (normal mode) Memory ：999 recent test results Printer ：Wireless printer (optional, 2.4GHz) Interface ：Mini USB（RS232 protocol） Keypad： Capacitive touch keypad Display： LCD screen Host power supply ： DC 5V, 2A Adapter power supply ：AC 100~240V, 50/60Hz Continuous test time ：＞6 Hours Standby time ：＞15 Days Power consumption ：≤ 2W Operating environment Temperature 10℃~35℃ humidity≤70% Net weight ：Host 160g, Printer 130g Dimensions(mm) ： 68(W)x110(L)x27(H) Built-in rechargeable high-capacity Li-battery Wireless thermal printer(optional)