HME's Wind Directional Powder is a super fine, odorless powder that detects even the slightest breeze. It is visible over long distances for changing wind directions/swirling winds and is a convenient pocket size. For best results, shake before using. This model comes in a 1 oz bottle.
Specifications:

Type	Wind Detector
Function	Powder
Channels
Range	1 oz
Battery	Powder
Screen Type
Proofs
Backlight
Color
Privacy Codes
Data Cards
Compatible With
	Detect