Product Description B series is an efficient, budget-friendly and completely equipped infrared camera. This robust and very handy high-tech system thanks to its intuitively learnable handling and user-friendly single hand operation, which makes it an ideal tool for troubleshooting electrical installations, mechanical components, buildings, process equipment, HVAC/R equipment and others. Features · 3.5” large screen with no image cropping, high brightness screen to show image with no detailed information lost even outdoor or in highlight · Friendly UI, easy to use without training · Four image presentations--IR, visible, PIP and MIF Rugged and compact design, metal internal structure · Standard Micro USB interface for data transmission and charging · Removable Large capacity Li-ion battery, 4 hour working time · Optional Wi-Fi connection with notebook or mobile · Multi native charging model is selectable(the adapter/computer/car charger/dual battery charger) · Standard accessories: Thermal camera/ Li-ion Battery/ USB power supply with multi plugs/ USB cable/ Adapter/ User's manual/ Product CD/ SD card/ Wrist strap · Optional accessories: Camera carring pouch/ Battery charger/ Li-ion Battery Parameter B   Series B160V  B256V  B320V  Imaging Performance IR resolution 160×120  256×192  320×240  NETD ≤50mk Focal Length 5mm/F1.2 7mm/F1.1 7mm/F1.1 FOV 30°×23°  34.5°×26.5° 42.5°×32.5°  IFOV 3.30mrad 2.36mrad 2.33mrad Frame rate 25Hz/9Hz Focus fixed Detector Detector type VOx/7.5~14μm Pixel size 17μm Visible light  Resolution 640×480,   Automatic Image Presentation Display 3.5"   highlight LCD screen, 320×240 Image modes IR   image，Visible image，MIF，PIP Digital zoom ×2，×4  Color palettes 6 Measurement  Temperature range -20℃~350℃  Accuracy ±2℃ or   ±2% of reading for ambient   temperature 15℃ to 35℃ and object   temperature above 0℃ Measurement Analysis Spotmeter Center   spot Auto tracking Area   Tmax/Tmin tracking Emissivity correction Variable   from 0.01 to 1.00 Alarm Area   Tmax/Tmin alarms Storage Storage medium Removable   SD card（16G） Image format JPG   with temp info Video Streaming transferred   to via USB Interface Interface Micro   USB（for real-time image/ video   transmission）  WIFI Yes（for   data transfer and camera control）  Power System Battery Rechargeable   Li-ion battery, ≥4h, Automatic shut-down and   sleeping mode Environmental Parameters Operating temp range -10℃~50℃ Storage temp range -40℃~70℃ Encapsulation IP43，1m   drop Humidity 10% ~   95% Shock 30g （   IEC 60068-2-27 ） Vibration 10HZ~150HZ~10HZ   0.15mm    IEC60068-2-6  Weight 740g（batterry   included） Size 258mm×98mm×90mm