?What will you do if your video balun is out of use? Where can you find a suitable replacement? Here we recommend you to use the2pcs KAT-HD211P Plastic &amp; Metal CCTV Video Baluns (Support CVI AHD TVI) Black. They are good products that you cannot miss. Supporting CVI£¬ AHD and TVI£¬ they are easy to plug and use. Top material ensures top quality. They feature high quality and a stable performance. They are excellent for video transmission. As to the price£¬ they are so economical and can greatly save your money. It is a real bargain!                                    Features             They are convenient£¬ durable and small in size<br> They can support CVI£¬ AHD and TVI<br> Made of high-class material£¬ they feature stable performance <br> They are easy to plug and use<br> High quality and low price   <br>                                                            Specifications             Transmission Signal     1 Channel    <br> Transmission Distance     AHD / CVI: 300m (Max); TVI: 200m (Max)    <br> Category Type     UTP CAT5 / 5E / 6    <br> Coaxial Video Connector     BNC-M    <br> Twisted-pair Video Connector     Push-terminal    <br> Compatible Format     AHD / HDCVI / HDTVI    <br> Resolution     720P / 1080P    <br> Anti-interference     £¾ 60dB    <br> ESD     1a Contact Discharge Electricity Level 3; 1b Air Discharge Electricity Level 3; Per: IEC61000-4-2    <br> Coaxial Cable Connector     2KV (Common-code) Per: IEC1000-4-5    <br> UTP Cable Connector     2KV (Different-code); 4KV (Common-code)£¬ Per: IEC1000-4-5    <br> BNC Male     75Ohms    <br> UTP Cable     100Ohms    <br> Material     Plastic & Metal    <br> Color     Black    <br> Dimensions     (7.09 x 0.87 x 0.63)" / (18 x 2.2 x 1.6)cm (L x W x H)    <br> Weight     1.48oz / 42g     <br>                                                             Package Includes            2 x Passive HDCVI Transceiver<br>