Model Number: WRD3 B-7 Brand Name: Raysun Key Specifications/Special Features: Features:Modular design which combines a DVR and receiving device to use as wireless receiver/DVR for monitoring/recording/photographingComes with a wrist-wear strap for the user to do the surveillance wherever you goIdeal for handsfree operationUse work with our various wireless A/V transmitters (0.5W, 1W, 4W)8 selectable channels