Power: the static power consumption by computer USB power supply: less than 5μA start current: less than 50mA read New York Time: less than 0.3 seconds Finish: Black Beach Silver or Poland to do primer, and curing light manufacturing or production of flexible rubber oil Environmental requirements: Temperature: -20 °C 55 °C Humidity: 20% 98% Dimensions: 80mm (length) × 60mm (width) × 20mm (thickness) Shell material: PC alloy