Excellent product which worked well when needed. On walking holiday in Turkey, guide notes warned of troublesome dog in one location and suggested use of dog scarer. The largish dog duly appeared from behind, barking loudly and when closer - now about 4ft - crouching, growling and baring its teeth, held at this short distance but not intimidated by our two outstretched walking sticks. Activation of the Dazer II had the immediate effect of causing it to retreat out of sight without further growl or bark! On the same walk, a larger but less aggressive dog was also deterred when it came too close for comfort!
Dazer II is a must for the rucksack!