Thermal Imaging Monocular 0.195 Inch Handheld Heat Vision Infrared Monocular for Underfloor Heating Item Type: Thermal Imaging Monocular Material: ABS Model: HT A73 Focal Length: 15mm Field Of View: 11.7° x 8.78° Detector Type: Vanadium Oxide Uncooled Infrared Focal Plane Resolution: 256 x 192 Image Size: 12μm Operating Band: 8-14μm NETD: <50mK at 25C, F 1.0,25Hz Frame Rate: ≤25Hz Focusing Mode: Manual Focusing Person 1.7mx0.5mx0.3m: Approx. 354m/1161.42ft Vehicle 4.5mx2.0mx1.5m: Approx. 937m/3074.15ft Recognition Distance People 1.7mx0.5mx0.3m: Approx. 1416m/4645.67ft Vehicle 4.5mx2.0mx1.5m: Approx. 3750m/12303.15ft Display Screen Type: FLC Resolution: 720 x 540 Display Screen Size: 0.195 Inch Electronic Zoom: 1x, 2x, 4x Degree Of View Adjustment: -3-+1D Pseudo Color: White Hot, Black Hot, Shimmering, Red Hot Picture In Picture: Support Language: Simplified Chinese, Traditional Chinese, English Capacity: Built In 16G EMMC ( The system takes up part of the space, the actual is about 13.8G ) Photo: Support Video: Support Picture Video Format: JPG, MP4 USB Port: Charging, Exporting Pictures and Videos Battery: 3500mAh (Battery Model) ( Shipped With Built In Battery ) Overall Power Consumption: ≤ 1.6W Endurance: ≥ 6 Hours Operating Temperature: -20℃-+60℃ Storage Temperature: -30℃-+70℃ Protection Grade: IP54