This german smoke signal produced orange smoke.
The aluminium body carried the orange smoke compound and a friction-delay fuze.
Three different types existed, 80 , 160 and 350.
Fuze delay can be 1.5 to 3seconds, or 4.5seconds (old and new types)
-"160" types were delivered 10 in a carton.

"80" , Length : 82mm , diameter : 40mm , weight : 90gram
"160" , Length : 82mm , diameter : 54mm , weight : 140gram
"350" , Length : 76mm , diameter : 82mm , weight : 300gram

Photos below © B. Bosman

" 160 " :

Shown on the right is a "160" model in the collection of Bernt.
As you can see this one has a paper label with the instructions.

The photos below show a "160" with the instructions printed directly onto the body.
Photos © Gilles.

Photo below © Dutch Airforce EOD