Night Optics USA Explorer 400 product image
Type: Monocular
Resolution: 400 x 300 pixels
Brand: Night Optics USA

Night Optics USA Explorer 400

The EXPLORER 400 is a thermal imaging monocular made by Night Optics USA. It utilizes a 400 x 300 pixels thermal core with a refresh rate of 50Hz and features a 19mm lens, giving you a field of view of 28.3 x 21.4 degrees.

Capture images to the 8gb of internal storage. Access to images is super easy via direct Wifi wireless connection from a computer, tablet or smart phone or by plugging in with the supplied USB cable. Other notable features include live object tracking (a crosshair is activated and selects the hottest point on the field of view), 5 polarity options, image brightness control, LED map light, 2 & 4x digital magnification, video out and much more.

The Explorer 400 sports the same 8 hour high efficiency rechargeable lithium ion battery for extended use. External USB battery packs (sold separately) can push run time well over 10 hours continuous! The Explorer comes with everything you need to get started right out of the box.

This reliable and rugged device puts the power of professional grade thermal imaging in the palm of your hand. Get your Explorer 400 thermal camera today.

Compatible with Night Optics 3x Germanium Afocal Lens


  • New 400x300 Resolution Sensor
  • Wifi Enabled
  • Image Capture
  • 8gb Internal Storage
  • Video Out
  • Live Object Tracking
  • LED Map Light
  • Long Battery Life
  • Tripod Mountable
  • Compatible with 3x Germanium lens
  • USB Cable for Charging and Data Transfer

Explorer 400 Specifications

Lens19 mm
Diopter adjustment+5 - 5
Optical zoom1 x
Digital zoom4 x
FOV (h/v)28.3 ° / 21.4 °
Thermal typeUncooled
Sensor resolution (h/v)400 pixels / 300 pixels
Pixel pitch25 µm
Spectral range8 µm / 14 µm
Display resolution (h/v)640 pixels / 480 pixels
Refresh rate50 Hz
Image polarityBlack Hot / White Hot / Red hot
Output screen colorFull color
Video formatsPAL/ NTSC
Package contentsThermal Camera, Lens Cap, Wrist Lanyard, Padded Neck Lanyard, USB Cable, Wall Charger, Padded Neck Lanyard, Video Out Cable, Rubber Eyecup, Soft Drawstring Pouch, Operator Manual
Dimensions (l/w/h)160 mm / 67 mm / 62 mm
Weight350 g
TypeInternal 3.7v 3500mAh Li-ion
Number of batteries1
Battery life8 hours
Law enforcement
Search & rescue
Fire fighting
Operating temperature-10 °C / 60 °C
Storage temperature-30 °C / 60 °C
Environmental ratingIP66 Water resistant
Manufactured by Night Optics USA
Night Optics USA has been making innovations in the Night Vision industry for over 18 years. We are driven to improve these technologies with our own self-developed methods of R&D. We gather input from our clients which helps us to gauge what is most important to the end-user.
Thermal Imaging cameras
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