备注:LIGHT SOURCE: 660NM RUBY RED LED LIGHT 940NM INFRARED LIGHT DIMENSIONS: 5”X2.4”X1.3” POWER CONSUMPTION: 35MA (UNDECODED OUTPUT) 75MA (DECODED OUTPUT) INTERFACE: TTL, RS-232, KEYBOARD WEDGE CONNECTOR: DB9 FEMALE, DB25 MALE, AMP, DIN6, DIN5, PS/2, RJ-45, RJ-11, AND ETC. RESOLUTION: 6MIL(0.127MM) AT PCS 0.9 DEPTH OF FIELD: 1MM AMBIENT LIGHT REJECTION: 100000 LUX SCAN VELOCITY: 70-500 MM/SEC, BI-DIRECTION