Logic Masters Deutschland e.V.

This is my second puzzle – "Stealth Killer"

Classic Sudoku rules: fill each row, column, and 3x3 box with numbers 1 to 9 without repetition.
Digits along an arrow must sum to the digit in that arrow's circle.
Digits on a thermometer increase from bulb to tip.
Digits separated by a black dot are in a ratio of 1:2.
Digits separated by a white dot are consecutive.
The digits in a cage must sum to the given number.
Digits may not repeat within a cage.