Product Details Key features: (1)Simple installation:The visual phone will work as soon as it is connected to telephone line and it's wired up.what's more,it can be used throughout the world. (2)Easy operation: when a connection is made,only press a visual keypad you can see each other clearly through display screen wherever you are. (3)Low cost:No extra fee,just as comman telephone,no extra equipment. (4)Intelligent communication:support five intelligent module such as multimedia communication, recreation,life assistant,personal setting as well as support alarm clock,MMS,take photo,hand free,privacy pretection ,recording,electronic time. Main parameter: Power adapter: (1)Alternating current input: 100-240V/0.4A, max 50/ 60Hz (2)Direct current output:5.0v/2A Power Consumption: Max 5V10*00mA Camera: (1)Picture element:0.3M VGA (2)Focus range:min 20cm (3) Focal length:2.44mm LCD display screen: (1)Display area:70.08(H) 5*2.56(v)mm (2)Resolution:320RGB(H) 2*40(V)dot (3) Contrast ratio:300:1 Modulator And Demodulator:ITU-T V.34 33600bps Software: (1)System protocol: H.324 system (2) Video algorithm:H.263 (3)Audio algorithm:G723.1 Built-in battery: CR2032 Dimention: 25418*5.66*0.8(mm). White/color box.