Model	IS-AT1801	IS-AT1803	IS-AT2600	IS-AT3600	IS-AT2300
Mounting Type	Surface, Wall, Pole, In-ceiling
Signal Format	PAL / NTSC
Image Sensor	1/4" CCD
Resolution	480TVL			530TVL	480TVL
S/N Ratio	Not less than 50DB
Illumination	1Lux	0.01Lux
Day / Night	No	Yes
Optical Zoom	18X		26X	36X	23X
Digital Zoom	12X				8X
Lens	F1.4-F3.0 f=4.1-73.8mm		F1.6-F3.8 f=3.5-91mm	F1.6-F4.5 f=3.4-122.4mm	F1.6 - F3.7 f=3.6-82.8mm
AGC	Auto / Manual
BLC	Auto / Manual
Pan/Tilt Speed	Pan: 0.05~220°/sec; Tilt: 0.03~140°/sec
Pan/Tilt Range	Pan: 0~360° continuous; Tilt: 0~90°, auto flip
Auto Cruise	Auto switch from 1 to 30 preset positions sequentially
Pattern Scan	4 routes of pattern scan
Presets	256
Comm. Port	RS485
Baud Rate	1200bps, 2400bps, 4800bps, 9600bps, 19200bps
Zones	8 zones
Alarms	4 Inputs / 2 Outputs
Operating Temp	-25°C ~ +70°C (w/o heater) / -50°C ~ +70°C (with heater)
Spectra Address	255
Power	DC12V / DC24V / AC24V