Eyepieces: With fully independent binocular technology, it can independently adjust the visual acuity compensation of the left and right eyes (refractive adjustment range of +/-3.5). IR light: 3W, 850nm strong IR spotlight, 7-gear IR adjustment. Lens: F1.0 wide aperture, f=25mm, FOV 10 degrees. Automatic shutdown: 1 minute/3 minutes/5 minutes/10 minutes/OFF. Observation distance: 250-300 meters observation distance in the dark, 1 meter infinite low light observation distance. Power supply type: 3.7V, 2600mAh lithium battery. Environment temperature: operating temperature -20°C to +50°C; storage temperature -30°C to +60°C. 154 x 134 x 60mm. 1 x Night vision device. 1 x Night vision bracket. Please understand because of the light irradiation or computer display difference, so I can't guarantee photos and real color is 100%. Please repack the item carefully. We will reply you with 24-48 hous. (except weekend and public holiday). We believe the good communication will resolve everything.