{"product_id":"1-5w-g4-cob-led-bulb-2700k-warm-white","title":"1.5W G4 COB LED Bulb - 2700K Warm White","description":"\u003ch5\u003eDescription\u003c\/h5\u003e\n\u003cp\u003eThe Knightsbridge G4 COB LED bulb delivers 185 lumens at 1.5W on 12V AC or DC supply, producing 2700K warm white light through a clear silicone capsule. COB (Chip-On-Board) LED technology places multiple LED chips directly onto a single substrate, creating a single-source emitter rather than multiple visible points of light, which gives more even illumination and higher efficacy at 132 lumens per watt.\u003c\/p\u003e\n\u003cp\u003eDesigned for low-voltage under-cabinet lighting, display cases, desk lamps and accent lighting, the bulb fits any G4 bi-pin socket and operates on standard 12V AC transformers or DC drivers. The 36mm height and 10mm diameter capsule allows it to fit compact fittings where space behind the fascia is limited. The 270-degree beam angle provides wide light distribution without needing a reflector, making it suitable for open fixtures and exposed-bulb fittings.\u003c\/p\u003e\n\u003cp\u003eThe silicone body gives physical flexibility and tolerance to minor impacts compared to glass capsules, and the IP20 rating confirms suitability for dry indoor locations. The bulb is non-dimmable — attempting to dim it on an AC dimmer will cause flicker or failure. The rated L70B50 lifespan of 25,000 hours suggests the bulb will maintain at least 70% of its initial 185-lumen output for around three years of continuous operation, or ten years at typical residential usage patterns.\u003c\/p\u003e\n\u003ch5\u003eSpecification\u003c\/h5\u003e\n\u003ctable class=\"spec_table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e36 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eSilicone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClass\u003c\/td\u003e\n\u003ctd\u003eIII\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIP Rating\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Voltage\u003c\/td\u003e\n\u003ctd\u003e12V AC\/DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiffuser\u003c\/td\u003e\n\u003ctd\u003eClear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLamp Technology\u003c\/td\u003e\n\u003ctd\u003eCoB LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLamp Base\u003c\/td\u003e\n\u003ctd\u003eG4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimmable\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eL70B50\u003c\/td\u003e\n\u003ctd\u003e25000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnergy Rating (Class) post 2021 SLR\u003c\/td\u003e\n\u003ctd\u003eE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBeam Angle\u003c\/td\u003e\n\u003ctd\u003e270\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCCT\u003c\/td\u003e\n\u003ctd\u003e2700 K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Colour\u003c\/td\u003e\n\u003ctd\u003eWarm White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLumens\u003c\/td\u003e\n\u003ctd\u003e185 lm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWattage\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficacy\u003c\/td\u003e\n\u003ctd\u003e132.4 lm\/W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCRI\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003eDownloads\u003c\/h5\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0729\/8993\/3835\/files\/products_4563770_datasheet.pdf\" target=\"_blank\"\u003eProduct Specification Sheet\u003c\/a\u003e\u003c\/p\u003e\n\u003ch5\u003eFrequently Asked\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eIs this bulb dimmable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The G4 COB LED is non-dimmable and will flicker or fail if used on a dimmer circuit. It requires a constant 12V AC or DC supply.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat voltage does it run on?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe bulb operates on 12V AC or 12V DC. It works with standard low-voltage halogen transformers rated for LED load, or dedicated 12V DC LED drivers. Check the transformer is rated for the combined wattage of all bulbs on the circuit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow bright is 185 lumens?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e185 lumens is roughly equivalent to a 15-20W halogen capsule bulb. It suits accent lighting, under-cabinet task lighting and decorative fixtures where ambient brightness is provided by other sources.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is COB LED technology?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCOB (Chip-On-Board) places multiple LED chips directly onto a single substrate, creating one continuous light-emitting surface rather than multiple visible points. This gives higher efficacy, more even light distribution and reduced shadowing compared to multi-chip LED designs.\u003c\/p\u003e","brand":"Knightsbridge","offers":[{"title":"Default Title","offer_id":45293618725131,"sku":"G4COB1","price":5.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/8993\/3835\/files\/774112_b778d44f-a31d-45ac-a3cd-ddd58639a549.jpg?v=1714661259","url":"https:\/\/niori.co.uk\/products\/1-5w-g4-cob-led-bulb-2700k-warm-white","provider":"Niori","version":"1.0","type":"link"}