With built in IR and Black Flash, Dual Flash is ready for all users in all situations. Program Dual Flash to use IR or Black flash when taking night images. Featuring an industry leading 1/4 second trigger speed, add in Super-Fast Recovery and 20MP images and you get the ultimate in versatility and performance. CuddeLink Dual Flash 20MP is also compatible with Cuddeback's wireless mesh network called CuddeLink. With CuddeLink images from up to 15 cameras are transmitted to 1 camera. Instead of checking all your trail cameras, you only check one. Flash range: 50 to 100 feet.