This LDI SPIR (Special Purpose LED IR Illuminator) is one sweet setup, very professional looking & feeling design with excellent ergonomics, comes complete with weapon mount, remote, & batteries.
Weight is 9.8 ounces complete with weapon clip-on mount and remote switch, runs on two CR-123 in a side by side installation, so cannot run 18650 Li rechargeables in it.
The unit appears to be waterproof and the battery installation receptacle is rubber sealed with a clip open-close switch. There is a Hi (600mW) and Low (300mW) selector switch for the IR beam.
I'll try taking some NV pics of it with the NV MonoCam tonight but I believe it is about full moon, so don't really need any IR Illum...
Maybe I'll try walking out a hundred yards or so and taking a regular light pic back at it to see how much of the red glow you can detect downrange at different angles off center of the beam (bolt locked open...)