High strength Aluminium alloy,resist corrupt and high temperature Camera cover has high transparence,photo no distortion.OSD English menu,adapt display camera address and title of scheduled place. Marshal multi-agreements,baud rate is optional. Camera Parameter: 1.Image Sensor Device: 1/4” SONY CCD 2.Effective Pixels:795H*596V 3.Synchronizing System:Inner 4.Video Output: VBS 1.0Vp-p/75ohms 5.White balance: Auto/Manual 6.Scanning System:15.625KHz(H) 50Hz(V) 7.Horizontal Resolution: 480TVL 8.S/N Ratio:>50dB 9.Electronic Shutter:1/50～1/10,000s 10.Minimum lllumination:0.01Lux 11.Optical Zoom Length: f=3.6～98mm 27x 12.Aperture＆Zoom:Auto/Manual Technique Parameter: 1.Horizontal Rotation:0degree～240degree/s 2.Vertical Rotation:0degree～240degree/s 3.Horizontal Angle:360degree 4.Vertical Angle:90degree(180degree auto ratation) 5.Scheduled Place:64 6.Control:Multi-agreement,RS485 7.Operating Humidity:10-75% no agglomeration 8.Operating Temperature:0degree to 50degree 9.Power Supply:DC15V+10%,1.5A,external 10.Power Consumption:15VA 11.Weight:3kg