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> The strength of the pepper spray is measured in Scoville Heat Units (SHU). The original method was developed in 1912 by pharmacologist Wilbur Scoville. Today, the value is measured by a computerized method called High Performance Liquid Chromatography. The scale ranges from 0 for bell pepper to 5,000 units for a jalepeno to 15,000,000 units for pure capsaicin. Most sprays today contain 5-10% concentrations. Unlike other weapons that require close proximity to the attacker, this spray will disable a subject from a range of 8-20 feet away minimizing your contact and risk. Pepper sprays are available in many, many sizes and packaging has become very inventive. You can choose the usual keychain varieties in a ?oz to 4 oz size or the same type canister with an auto visor clip for easy accessibility. There are also unique designs such as one made to look like an everyday black pager (dual canister with twice the power of key ring sprays) or the new lipstick design in 4 colors with 20 half-second sprays with a range of 10 feet. If you have someone who walks regularly for exercise, choose the Hot Walkers, (2) 1 pound walking weights with built-in pepper spray and elastic hand straps for support. These also have a storage compartment for keys and money. For the businesswoman, choose the Pepper Pen which looks like any black writing pen. Or you may choose to wear your protection and pick the Stunning Ring Pepper Spray. This elegantly 上一页 [1] [2] [3] [4] 下一页 |