In Stock - Despatched from NSW - After a 20 second delay, your Sonic Grenade will sound its annoying alarm continuously until you replace the pin. Very annoying.
Probably the most annoying device in the world - wake recalcitrant teenagers, annoy parents or teachers, interrupt meetings etc.
Three annoying pitch levels.
Requires 3 x AAA batteries (not included).
125 mm high.
Special Features:
- Three annoying pitch levels.
- Requires 3 x AAA batteries (not included).
- 125 mm high.
