Fenix E04R Rotating Clip-On Light

Performance Highlights

• Output: White High reaches 300 lumens at 151 ft; Red High adds a low-glare 12-lumen option.
• Runtime: White Moonlight mode runs up to 87 hours for all-night standby.
• Versatility: A separately switched side warning light adds Red & Blue flash, RGB pulse, and RGB chase patterns.

Full mode-by-mode output, runtime, distance, and intensity figures are shown in the specifications chart above.

Key Features

• White main LED plus a separate red-light LED, each independently switch-controlled
• Side warning light with 5 patterns: Red & Blue flash, Red flash, Blue flash, RGB pulse, RGB chase
• 360-degree rotating clip with 40-degree tilt angle for hands-free hat, pocket, or backpack wear
• Dual-switch electronic lockout (main light + side light) prevents accidental activation
• Intelligent memory circuit recalls the last-used White/Side light output

Battery & Charging

• Included: Built-in 400mAh rechargeable Li-Ion battery
• Charging: Inner waterproof USB Type-C port; about 2 hours from depleted to full; indicator red while charging, green when full
• Note: All modes/outputs work while charging except White High

Size & Weight

• Dimensions: 2.30" x 1.18" x 1.17" (58.5 x 30 x 29.8 mm)
• Weight: 1.45 oz (41 g, including battery)

Q: What kind of LEDs are used in E04R?

A: Utilizes one Luminus SST-12 white light LED and one red light LED.

Q: What is the color temperature of E04R?

A: 6500k.

Q: What is the working voltage of E04R?

A: The working voltage is 3.0 V - 4.2 V. The limiting working voltage range is 2.8 V-4.35 V.

Q: Is E04R rechargeable? How long is the charging time?

A: Yes. The E04R is rechargeable via the USB Type-C charging port. The normal charging time is about 2 hours from depleted to fully charged with a 5V/1A or above charging adapter.

Q: How to prevent accidental activation of the E04R?

A: Press and hold the two switches simultaneously for 3 seconds to lock or unlock the flashlight.

Q: Why does the E04R downshift to a lower mode after being used for a while and the higher mode cannot be selected?

A: There are two reasons: 

1. Intelligent Overheat Protection

The light will accumulate a lot of heat when used at high output levels for extended periods. When the light reaches a temperature of 60°C/140°F or above, it will automatically step down a few lumens to reduce the temperature.

2. Low-voltage Warning

When the voltage level drops below the preset level, the flashlight is programmed to downshift to a lower brightness level until the lowest output is reached.

Q: Why does the E04R sometimes flicker?

A: The reasons that may cause the light to flicker, shine intermittently or even fail to illuminate:

1. Poor battery level.

Solution: Recharge the battery.

1. The flashlight is locked.

Solution: Press and hold the main light switch and the side light switch simultaneously for 3 seconds to unlock the flashlight.

If the above methods don't work, please contact your authorized distributor.

The Fenix E04R is a rotating clip-on light with a dual-color warning side light. This summary is drawn from the manufacturer’s official user manual — see the downloadable PDF reference manual on the product page for complete details.

Product Features

• 300 lumens maximum output and 46 meters maximum beam distance
• One Luminus SST-12 white LED and one red LED, 50,000-hour lifespan each
• Built-in 400mAh rechargeable battery, up to 87 hours runtime in Moonlight
• Multi-light design: red-and-white main light plus a side warning light (Red & Blue flash, Red flash, Blue flash)
• 360° rotatable clip with 40° beam angle for hands-free wear (pockets, caps, backpacks)
• Dual-switch operation, battery level indication, low-voltage warning, lockout function
• IP66-rated, USB Type-C charging with inner waterproofing
• Size: 2.30" x 1.18" x 1.17" / 58.5 x 30 x 29.8 mm
• Weight: 1.45 oz / 41 g (including battery)

Technical Parameters

Specifications reflect Fenix's lab testing with the built-in 400mAh battery at 21±3°C / 50-80% humidity. Actual performance varies by environment.

• White – High: Output 300 lumens, Runtime 1 hour 40 minutes*, Distance 46 meters, Intensity 683 candela
• White – Med: Output 100 lumens, Runtime 2 hours 40 minutes, Distance 28 meters, Intensity 200 candela
• White – Low: Output 25 lumens, Runtime 11 hours 40 minutes, Distance 13 meters, Intensity 45 candela
• White – Moonlight: Output 1 lumen, Runtime 87 hours, Distance 3 meters, Intensity 2 candela
• Red – High: Output 12 lumens, Runtime 6 hours 40 minutes, Distance 13 meters, Intensity —
• Red – Low: Output 5 lumens, Runtime 19 hours 30 minutes, Distance 8 meters, Intensity —
• Side – Red & Blue Flash: Output 1 lumen, Runtime 23 hours**, Distance —, Intensity —
• Side – Red Flash / Blue Flash / RGB Pulse / RGB Chase: Output 1 lumen, Runtime —, Distance —, Intensity —

Impact Resistance: 1 meter Waterproof: IP66

Operating Instructions

On/Off: Press and hold the main light switch for 0.5 seconds to turn the White light mode on/off. Double-click to turn on Red light mode; press and hold 0.5 seconds to turn off. Press and hold the side light switch for 0.5 seconds to turn Side light mode on/off.

Mode Switching: Double-click the main light switch to move between White and Red light modes. Press and hold the side light switch for 0.5 seconds to enter Side light mode from either.

Output Selection: White light: single click to cycle Moonlight → Low → Med → High. Red light: single click to cycle Low → High. Side light: single click to cycle Red & Blue flash → Red flash → Blue flash → RGB pulse → RGB chase.

Lock/Unlock: With the light off, press and hold both switches simultaneously for 3 seconds to lock (blinks twice on Moonlight) or unlock (activates on Moonlight).

Intelligent Memory Circuit: The light memorizes and recalls the last-used White/Side light output.

Charging

• Turn off the light, then connect the USB Type-C charging cable to the side charging port.
• Indicator glows red while charging and turns green when fully charged.
• Unplug the cable once charging completes.
• Charging voltage: 5V; maximum charging power 1.85W (5V/370mA); does not support fast charging.
• Normal charging time is about 2 hours from depleted to full with a 5V/1A adapter. All modes/outputs work while charging except White High.

Battery Level Indication

• Green light on: 100%-85% (saturated)
• Green light flashing: 85%-50% (sufficient)
• Red light on: 50%-25% (poor)
• Red light flashing: 25%-1% (critical)

Intelligent Overheat Protection

The light steps down output automatically once it reaches 60°C/140°F or above; it gradually recalls the preset level once cooled, though high output levels must be manually reselected.

Low-Voltage Warning

The light downshifts brightness automatically until Moonlight is reached; in Moonlight the indicator blinks red continuously to prompt a recharge (the light will not shut off automatically).

Usage and Maintenance

• Disassembling the sealed head can damage the light and voids the warranty.
• Lock the light to prevent accidental activation during storage or transport.
• Poor battery level or an engaged lock can cause flickering or failure to illuminate — recharge or unlock as needed. Contact your authorized distributor if issues persist.

What's Included

Fenix E04R flashlight, USB Type-C charging cable, lanyard, user manual, warranty card

Warnings

• Keep out of reach of children.
• Do not shine the light directly into anyone's eyes.
• Do not place the light head near flammable objects.
• Do not hold the light in your mouth or use it in other unintended ways.
• The light shell can become hot during extended use — handle with care to avoid burns.
• Lock the light before placing it in pockets or backpacks to prevent accidental activation.
• The LEDs are not replaceable; the whole light must be replaced at end of LED life.