Built small, built simple
This 12V E27 LED bulb keeps things light and practical: a plastic base with a plastic diffuser, shaped as a compact A15 globe measuring 73mm long x 45mm wide. That short body is a real advantage in low-voltage fixtures — bunk lights, reading lamps, wall sconces and small enclosed-look shades in cabins and campers where a full-size bulb simply bottoms out. The screw-on E27 socket (27mm, standard screw-on) fits most standard household-style screw sockets, so you usually don't have to change the fixture at all, just the bulb.
Light quality and beam
The heart of the bulb is a top-of-the-line Epistar LED chip, which is why it looks surprisingly bright for its size. The diffuser and internal layout produce a genuine 360 degree beam angle, so the light wraps all the way around instead of forming a hot spot below. Two colour temperatures are offered: Warm White 3000K at 250lm for relaxed evening light that flatters wood interiors, and Cool White 5000K at 260lm for a cleaner, more alert light often used in work areas, kitchens and storage spaces. Pick the one that matches the mood of the room — or mix them by zone.
Technical specifications
SKU: 12V3WE27360
Brand: LED MONTREAL
Housing: Plastic base, plastic diffuser
Socket: E27 (27mm, standard screw-on)
Bulb: A15
Dimensions: 73mm long x 45mm wide
LED chip brand: Epistar
LED consumption: 3W, non dimmable
Great replacement for: 40W incandescent
Input voltage: 12V DC
Beam angle: 360 degrees
Warm White 3000K: 250lm
Cool White 5000K: 260lm
Working temperature: -10~50
Storage temperature: -20~50
Electrical and installation notes
Make sure your circuit is truly 12V DC before installing — this bulb is designed for direct low-voltage supply from a battery, a solar system or a 12V DC power source, not for a standard line-voltage household circuit. Cut the power, screw the bulb in hand-tight, restore power and you're done. Because it draws only 3W, you can run several bulbs on a modest battery bank and still have capacity left for a fridge, a pump or a radio. Remember it is non dimmable, so leave it on a simple on/off switch rather than a dimmer, and keep it within the stated working temperature range of -10~50.
Where it makes sense, and what's in the Documentation tab
Think hunting camps, rustic cottages, van conversions, RVs and travel trailers, boats, garden sheds, chicken coops, ice-fishing huts and solar-powered outbuildings — plus commercial uses such as kiosks, food trucks and mobile trailers running on a battery system. It's equally handy as a spare in the emergency kit, ready to drop into a 12V lamp when the grid goes down during a storm. The full technical spec sheet for the 12V E27 3W 360° LED BULB is available in the Documentation tab of this page, with dimensions, lumen output and temperature ratings, so you can confirm fit and performance before you order.