It's interesting, as it looks exactly like the regular ELT that I have mounted in my airplane. It also says this,,
Applicable to all Aviation Uses such as Flying, Gliding, etc.
Harsh/ Robust/ Heavy Duty P-ELT in an enduring composite Emergency Carrying Case. Ultra long lasting Battery Package, up to 78 hours @ -20 deg C, end of life, 10 years useful life time Lithium type, LiMnO2, 4 D-Size.
I've sent them an email to see what I can learn.
