P21w led bulb, BA15s 12V Single Contact Base, Waterproof Lamp, 5 Watt Cool White 6000K 500LM for Boat, RV, Auto Car, Outdoor Landscape Lighting etc (Pack of 4)

Fitted these to replace some old filament bulbs on my narrowboat. Well made and throw a good amount of light. Good value for money.

Aux lights on m/c were rubbish just a gentle glow. Instagram these, beautiful white light, really a huge difference 500% brighter, perfect

Used for BMW F20 reverse light, better brightness, but interference with the radio.

Used to replace reversing bulbs, easily brighter than standard halogen bulbs. Consumes alot less power and as I leave car in reverse, sometimes with ignition on to help light up work bench behind car in garage if im working, no worries regarding a flat battery. 100% worth while upgrade.

They're bright, but the locating lugs are too near the base and the centre terminal wouldn't touch the connector blade. I had to dismantle the lamp socket and bend the connector blade so that it made contact with the bulb.

These were fitted to an old honda scooter that recently had the flasher relay replaced from old solenoid switches type to newer transistor type. Anyway, worked absolutely fine. Reacts to fully on about 5 times quicker than the traditional bulb (left indicator is old bulb, right is this LED). Definitely less load and flash rate was fine and unchanged even as I checked after checking each bulb. Either the bulb is smart or the solid state flasher relay is controlling rate irrespective of load. The silica gel covering the LEDs is very reassuring. Would buy again

Just bought them just last year. I didn't want to give a review first coz I wanted to check if they will last at least two to three years. Guess what.... No last night the 4th May 2021 I was stopped by police that my lights at the back are flashing on and of like a police car.... I couldn't believe it until I saw them flashing. Its very annoying and disappointing the amount of money I spend on them. The normal std bulb had lasted me for 5 years... When getting this bulds think twice. If you are ready to spend more money within a year we'll think again....

Ordered 12 to replace filament bulbs. All good, perfect brightness for my RV. Can't comment on the longevity yet

Werkt goed zonder storingen

The bulbs that came in a new riding mower lasted less than 2 cuttings. Typical 35 watt automotive back up bulb. Replaced with these LED's. Bright as Sh**. Work great for cutting grass at night.

lampada perfetta per eliminare il problema del mancato lampeggio con carrello agganciato ( due lampade da 21w spesso condizionano il relè elettronico in dotazione di serie nelle autovetture moderne ! inoltre sono a tenuta stagna e il carrello per jet ski spesso va in acqua per il varo! Che dire ottimo prodotto consiglio l'acquisto!

Aproveché que se me fundió una de las luces diurnas de mi Fiat 500 X para poner estás que sin mucho más brillantes y blancas. Me gusta mucho más la estética ahora. El alumbrado original mucho más tenue y amarillento nunca me termino de gustar.

Achetées pour remplacer des ampoules de phares (21W) sur tondeuse autoportée : l'éclairage est bien plus puissant avec ces LED qui se montent sans difficulté à la place des ampoules à filament, et elles ne consomment que 5W.