Flir Systems . First Mate Pro Handheld Thermal Imager . First Mate gives every mariner the power to see at night like never before. First Mate is the world s first IPX7 submersible hand held high-performance maritime thermal night vision camera. First Mate does NOT use light intensification technology or a near IR illuminator like almost every other night vision monocular seen to date. Thermal imaging allows you to visualize long wave infrared radiation vs. visible or near visible light waves. You can see in total darkness or even in broad daylight. Unlike older technologies the user won t get blinded by marina lights or other bright background illumination. Also there is no danger of burning out the element. Boat with confidence knowing that you can see hazards harbor entrances navigation aids and even a man overboard in total darkness. First Mate can even aid man overboard visibility during daylight as the thermal contrast is often superior to visual contrast. Switch between White-hot and Black-hot presentation modes. The Pro version adds 2x E-Zoom and Still Image storage capability to the basic First Mate. Stores JPEG digital images to an SD card. Supports SD card to 4GB. Battery Life 5 hours continuous Battery TypeSize 4 AA NiMH batteries Dimensions 10.42 x 3.33 x 2.62 Included Accessories Includes video output cable AC and DC power cables USB connector Hot Shoe charging and video output accessory four rechargeable AA batteries neck lanyard manual and standard tripod mount Waterproof Rated IPX7 submersible Warranty Two years