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Black Streamlight MicroStream LED pen light, anodized aluminium body, pocket clip, push-button tail switch

Streamlight

Streamlight MicroStream LED Pen Light LGT-66318

SKU CH-W455-90YVH MPN LGT-66318

A compact LED pen light with an anodised aircraft-aluminium body, water-resistant O-ring seal and 1-metre drop rating

  • Product typeBatteries
  • C4 LED technology delivers bright illumination
  • Anodized aircraft aluminum case resists corrosion
  • O-ring sealed construction provides water resistance
  • 1-meter drop tested for durability
  • Push-button tail switch enables easy operation

Compact LED pen light for everyday carry

The Streamlight MicroStream LGT-66318 is a pocket-sized illumination tool built around a C4 LED emitter. Its anodised aircraft aluminium body and removable clip suit professionals and hobbyists who need a reliable light that fits in a pocket, on a hat brim or attached to gear. The push-button tail switch offers simple one-handed operation for immediate output.

Sustained output with sealed durability

The light maintains consistent brightness during extended use thanks to efficient LED regulation. An O-ring seal provides water resistance for wet environments, while the 1-metre drop test rating confirms the aluminium housing survives repeated impacts. These features keep the beam steady when the tool is carried daily in demanding conditions.

Low heat and efficient power draw

The C4 LED runs cool during normal operation, so the aluminium case stays comfortable to hold for long periods. With no moving parts or fan, the light is completely silent. Power comes from a single standard battery, delivering practical runtime without high current draw or noticeable warmth in the hand.

How it compares

Measured against everything we stock in Household Batteries & Chargers, at today’s prices. Recalculated every night.

Price $32.99
Pricier than about 87% of the 10,440 comparable items (median $10.99).

Specifications

Product
Brand nameStreamlight
Product typeBatteries
Size & build
Shipping weight0.23 kg
Package size102 × 51 × 51 mm

Questions about this item

How hot does the MicroStream LED Pen Light get when left on continuously?

The C4 LED and aluminium body are designed for sustained use without overheating.

What batteries does the LGT-66318 require to operate?

It runs on a single AAA battery, which must be supplied separately.

Will the 66318 pen light survive the same drops as my older Streamlight models?

Yes, it is 1-meter drop tested and O-ring sealed for water resistance.

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