... optional2.Dome IP Cam3.H.264 Compression4.support mobilephone watchingModel: TS-DR2111/4" Color Sharp CCD, 0Lux/F1.2, 400TV Line ... LED, IR distance 15-20m, 3.6mm lens, plastic caseModel: TS-DR1111/3" Color Sony CCD, 0Lux/F1.2, 420TV Line ... customers' service. 2. You must provide the problems (including original model, order number, order date and the unique number on the ...