... zoom f=4.7mm(W) ~ 84.6mm(T)IrisF1.6 ~F2.8Horizontal angle55.2°(W)~3.2°(T)Min. ... protocolSupportMotion detection Support intelligent mobile phone with Windows Mobile 6,Symbian V3/5 version , iPhone and Android systemDome ... 4.7 mm (WIDE) to 94.0 mm (TELE), F1.6 to F3.5,Digital zoom 12× (240× with optical ... Lens10×optical zoom,f=5.1mm(wide)to50.1mm(tele),F1.8toF2.1,Day / Night Applicable Places:Size Chart: ...