... and night, with a Mobile Player /Recorder (if needed). Magnification:5X Night VisionSpecification Magnifier,X:5Lens Diameter,mm:42Field Angle,. 15Field of View,m ... *492Maximum Detection range,m:200Infrared Transmetter Condenser,m:940Grade of Waterproof:-30+40Battery life,hour:3/10Working Voltage,V:7,2 ... the price of Digital Player. YK-AXN1010:5*42 Digital Night Vision