Brand Name: famous brand newModel Number: Night Vision GogglesSize: 122 x 114 x 60 mmWeight: 220gType: BinocularMagnification: 4Effective Visual Distance: >4mOperating Voltage: 4*AAAis_customized: YesBattery: BatteryInfrared Ray Launcher Type: Dual TransmitterUnit Type: piecePackage Weight: 0.400kg (0.88lb.)Package Size: 30cm x 20cm x 10cm (11.81in x 7.87in x 3.94in)