Welcome to our store 1Lightning protection, anti-interference. 2High safety performance. 3Good transmission effect. 4High temperature resistance, small and compact size. 5Compatible with HD-CVI/AHD/HDVI analog high-definition cameras and analog cameras. Specification Features: Lightning protection, anti-interference. High safety performance. Good transmission effect. High temperature resistance, small and compact size. Compatible with HD-CVI/AHD/HDVI analog high-definition cameras and analog cameras. Specification: Material: Copper, ABS plastic shell Lightning Protection:1000V 10-700US Size: Approx. 15 x 1.5 x 1.5cm/5.9 x 0.6 x 0.6inch Weight: Approx. 36g / 1.3oz Package List: 2 x Video Balun Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 100% Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservic