Diameter: 7 cm.Net weight: 171g Features: LED time over 100,000.IR LED wavelength: 850nm.Better can be achieved with illumination intensity less than 0.001 Illuminating range: viewing range 20 m (outdoor). Power-On Sensor, only turn-on when the surrounding is dark Structure: All- aluminum and reinforced glass.Powered by DC 12V 500mA adaptor (not included) Illuminates like a flashlight with night vision capable , light emitted from flashlight is invisible to eye.