All EDCLB flashlights are fully O-ring sealed and assembled to meet the IPX-7 water proofing standard: submergence up to 1 meter in water for 30 minutes.
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Though EDCLB flashlights meet or exceed IPX-7 standards and can be used in all outdoor weather condtions with confidence, they are not intended for underwater use.
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Water Tightness Maintenance||
There are four possible ingress points for water; (1) past the tailcap boot; (2) between the tailcap and body; (3) past the bezel lens and (4) between the head and body.
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Since the head must be removed to charge/change the battery, the O-ring under the head must be inspected and lightly lubricated (we recommend SuperLube synthetic grease) each time the head is removed to maintain a good seal against water ingress. Worn or damaged O-rings should be replaced to maintain water tightness. Contact EDC Light Builder for replacement O-rings.
What is the difference between the tailcap options?
The Z57 style McClicky is offered as an E-series upgrade option. It uses the industry standard McClicky switch that can handle up to 5 amps. The tailcap offers momentary operation with a partial press, while a full press can be used to latch ("click") the switch to constant-on operation.
The E2T is used with the personal security models. It features a semi-shrouded design that uses the industry-standard McClicky switch. The tailcap offers momentary operation with a partial press, while a full press can be used to latch ("click") the switch to constant-on operation. This tailcap is upgraded by EDCLB with a low profile, medium press boot to provide precise control of momentary operation while minimizing unintended latching of the switch to constant-on.
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Two versions of the E2T are offered: one with a deep carry pocket clip and one with a lanyard and grip ring kit. The pocket clip version provides a means of carry for those who prefer pocket clips.
The Lanyard with Grip Ring Kit emulates the old Z2 Combat Lights that are intended for use with the Rogers-Surefire technique. This option provides the best in-hand ergonomics for control of the light, and the ability to go hands-free while still retaining the light. The lanyard is attached to the light with a small split ring which serves as a breakaway link. The split ring will uncoil and allow the light and lanyard will separate with a forceful tug. Both the lanyard and grip ring kit are removeable so they can be used independently of each other. The Grip Ring Kit includes a silicone grip ring and four O-rings that anchor the grip ring from sliding rearward.
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What is the difference between lumens and candela?
Lumens, or luminous flux, is the total amount of light the flashlight can produce. This amount of light (measured in lumens) is distributed across the entire beam.|Candela, or luminous intensity, is how the lumens are focused, and how bright the beam appears as a point source. The more focused the lumens are, the higher the candela and the brighter the beam appears at distance.|In flashlights, the ratio of candela-to-lumens is a good indicator of the beam pattern characteristics. The higher the ratio, the more “spot like” the pattern will be, and vice versa. A flashlight rated at 500 lumens and 35,000 candela will have a more intense, tightly focused beam compared to a flashlight rated at 500 lumens and 6,000 candela.
Lumens & Candela