The mini ml19 is the smallest fully multi-functional 12 micron thermal imaging monocular on the market.It can be used as a handheld monocular or helmet mounted monocular.The iray mini features bluetooth, picture-in-picture and compatibility with rechargeable 16650 batteries as well as external power supply.For hands-free operation there are 2 mounting points designed to allow for a wide variety of dovetail helmet mounts.The mini's display icons flip automatically when orientation is flipped.Mini series is operated by an intuitive menu system and user friendly rotary button.This one button operation has positive clicks with each selection and allows for quick and easy operation without having to search for any buttons in the dark, even when wearing gloves.Resolution: 384x288, 50HzMagnification: 1xObjective: 25mmField Of View: 19 x 15 DegreesBattery: CR123A/Li-Ion RechargeableDimensions: 4.60" x 2.75" x 1.77"Weight: 7.93 ozFocus Range: 950 ydsDiopter Adjustment: -4/+3Controls: Manual