Functional Characteristics large Detection Distancelaser Divergence Angel Continuous Change23 Times Zoom Continuously; Binocular Viewsmall Size, Light Weight, Portable and Easy Operationhigh Environment Adaptability and Reliabilitytechnical Data detection Distance 1500mnight-vision Distance 500mworking Mode continuouspower Supply dc 12v Battery or External Power Supplyworking Temperature -30 +60dimension 300mm X 200mm X 85mmweight 2.8kg(including Battery)