This is a Standard Dual Tone ACA Hurricane 130 (8/10 port) siren synth. Bonus signals included.
Timestamps:
0:00 | Intro
0:14 | Alert
0:42 | Attack
1:39 | Fire (Hi-Lo)
2:07 | Bonus signals
2:13 | Alternating Attack
3:09 | Pulse
3:38 | Pulse Attack
4:35 | End of video