NiteHog Viper 35 Hunter Gen 2 1x31.82mm Thermal Monocular and Clip-On 60 Hz 640x512 Black. Designed with the latest advancements in thermal technology this clip-on delivers exceptional image clarity and user-friendly functionality. Specifications for NiteHog Viper 35 Hunter Gen 2 1x31.82mm Thermal Monocular and Clip-On: Manufacturer: NiteHog Objective Lens Diameter: 35 mm Resolution: 1024x768 pixels Battery Life: 5 hours Battery Type: Lithium Ion Length: 5.25 in Height: 2.5 in Width: 1.82 in Weight: 11.64 oz Water Resistance Level: IP66 Color: Black Features of NiteHog Viper 35 Hunter Gen 2 1x31.82mm Thermal Monocular and Clip-On Ultra Compact and Lightweight Proven Precision High Recoil Capabilities Full Auto Capabilities Recoil Activated Video Recording AI Features 15mK NETD Superior Sensor Sensitivity 5+ Hours of Battery Life Full Photo and Video Recording Capabilities Package Contents: NiteHog Viper 35 Hunter Gen 2 1x31.82mm Thermal Monocular and Clip-On NiteHog NH001H: Viper 35 Hunter Gen 2 1x31.82mm Thermal Monocular and Clip-On 60 Hz 640x512 Black