?Do you want to replace your old doorbell with a fair-new and functional one? How about this SY455ME114.3" One-to-One TFT Display Wired Video Door Phone Doorbell (US Standard)? High quality material and advanced technology it employs create such a further improved product. This doorbell features bright and HD views. The wired doorbell is in user-friendly design£¬ and it is simple to use with individual control buttons. You don't haveto deal with the negligible cases personally. With this convenientdoorbell£¬ you can save both time and energy. Take it home for further enjoyment and satisfaction!                                    Features             One-in-one peephole video with door bell<br> Hands free video door phone<br> 4.3" color monitor with ultra-slim design£¬ nice and luxurious<br> It is easy to install by yourself<br> No radiation£¬ low consumption and high resolution<br> Clear night vision can capture image in low-illumination environment<br> Monitor the outside condition by pressing the key<br> Image brightness£¬ color and volume can be adjusted<br> Support embedded and hanging installation<br> It provides an extra security and convenience for you and your family  <br>                                                            Specifications               Outdoor Unit        <br> Camera     1/4" CMOS Sensor    <br> Night Vision     4Pcs IR LED£¬ Visible About 4 meters    <br> Min. Illumination     0.5Lux    <br> Video Output     1Vp-p/75¦¸      <br> Angle     92degree    <br> Work Temperature     -20¡æ~+50¡æ    <br> Dimensions     (12.6 x 5.2 x 4.5) cm / (4.96 x 2.05 x 1.77)" (L x W x H)  Indoor Unit:    <br> Input     AC 100-240V£¬ 50/60Hz    <br> Output     DC 15V    <br> LCD     4.3" TFT 16:9 Display    <br> Resolution     480 x RGB x 234    <br> Consumption     Standby: ¡Ü0.5W Work: ¡Ü10W    <br> Delay Calling Time     120S    <br> Delay Monitoring Time     40S    <br> Valid Distance     50m  (4 x 0.65mm2)    <br> Dimensions     (20 x 12.5 x 2.5) cm / (7.87 x 4.92 x 0.98)" (L x W x H)    <br> Total Weight     985g / 34.74oz    <br> Transmitting Distance of Image     About 200m    <br> AC Adapter     Input: 100-240V£¬ 50/60HZ£¬ 0.5A Max                                   Output: 15V£¬ 1.2A       <br>                                                             Package Includes            1 x Indoor Unit<br>1 x Outdoor Unit<br>1 x US Standard AC Adaptor<br>2 x Connect Cable<br>1 x Screws Set<br>1 x User Manual <br>