Magnetic Yellow LED Warning Light with Dual Magnets

  • 3 white and 30 yellow SMD LEDs — Combine a white task-light mode with multiple yellow warning patterns in one compact unit.
  • Five operating modes — Select white light, 9-LED yellow flash, 21-LED yellow flash, full 30-LED flash or a 21-LED marquee pattern.
  • Perimeter yellow lighting ring — Distributes warning light around the sides for broader horizontal visibility.
  • Dual rear magnets — Attach the warning light directly to compatible metal surfaces for hands-free placement.
  • 3×AAA replaceable battery power — Provides a stated runtime of 6–15 hours without requiring a charging cable.
  • 55 lm compact warning light — Measures 112 × 101 × 33 mm and weighs 122 g without batteries for convenient storage and deployment.
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Specification

Model No.

MF8100B

Product Type

Magnetic yellow LED warning light

Light Source

3 × white SMD + 30 × yellow SMD

Maximum Output

55 lm

Lighting Modes

3-white-SMD light / 9-yellow-SMD flash / 21-yellow-SMD flash / 30-yellow-SMD flash / 21-yellow-SMD marquee

Power Source

3 × AAA batteries

Batteries Included

No

Runtime

6–15 hours

Product Size

112 × 101 × 33 mm

Product Weight

122 g, excluding batteries

Housing Material

ABS + TPR

Mounting Options

Two rear magnets

Description

Product Overview

The MF8100B is a compact magnetic yellow LED warning light designed for portable traffic marking, roadside safety, temporary work zones and equipment visibility. It combines three white SMD LEDs with thirty yellow SMD LEDs, providing a practical white task-light mode together with four distinct yellow warning patterns.

White and Yellow Lighting Modes

A single operating sequence provides five lighting options. The three white SMD LEDs deliver localized illumination for checking equipment or nearby surfaces. The yellow warning modes include a 9-LED flash, 21-LED flash, full 30-LED flash and 21-LED marquee pattern, allowing the user to select a signal suited to different temporary warning requirements.

Perimeter Warning Light

The upper panel and surrounding side-light structure distribute yellow illumination across multiple directions. This layout supports broader horizontal visibility than a single forward-facing lamp while keeping the housing compact enough for storage in vehicle equipment boxes, maintenance kits or site-safety supplies.

Dual Magnetic Mounting

Two magnets are integrated into the rear housing, allowing the light to attach directly to compatible metal surfaces. This provides hands-free positioning on vehicles, machinery, storage cabinets or other suitable mounting points. The separate battery cover gives access to the replaceable power supply without requiring a charging system.

Battery and Construction

The warning light operates on three AAA batteries and provides a stated working time of 6–15 hours, depending on the selected mode. Batteries are not included. The ABS and TPR housing measures 112 × 101 × 33 mm and weighs 122 g without batteries.

For OEM and wholesale enquiries, submit your logo, packaging, quantity and market requirements. Contact MFOPTO for pricing and sourcing information for the MF8100B magnetic yellow LED warning light.

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