--- product_id: 645318774 title: "Clarity - 40Hz Light Bulb by Gamma - Improve Brain Function & Memory - Entrainment Device" brand: "gamma light therapy llc" price: "£146.50" currency: GBP in_stock: false reviews_count: 5 category: "Gamma Light Therapy Llc" url: https://www.desertcart.co.uk/products/645318774-clarity-40hz-light-bulb-by-gamma-improve-brain-function-memory store_origin: GB region: United Kingdom --- # Precise 40Hz flicker frequency 700 lumens bright cool white light Clinically calibrated for brain entrainment Clarity - 40Hz Light Bulb by Gamma - Improve Brain Function & Memory - Entrainment Device **Brand:** gamma light therapy llc **Price:** £146.50 **Availability:** ❌ Out of Stock ## Summary > 🧠 Light up your mind with precision brainwave power! ## Quick Answers - **What is this?** Clarity - 40Hz Light Bulb by Gamma - Improve Brain Function & Memory - Entrainment Device by gamma light therapy llc - **How much does it cost?** £146.50 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/645318774-clarity-40hz-light-bulb-by-gamma-improve-brain-function-memory) ## Best For - gamma light therapy llc enthusiasts ## Why This Product - Trusted gamma light therapy llc brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug & Play Neurohack:** Standard A19 E26 base fits any fixture—easy to install and instantly activates brain-healthy gamma rhythms. - • **Bright & Balanced Glow:** 700 lumens of cool white light (4500K) that’s powerful yet comfortable for daily indoor use. - • **Trusted & Tested Quality:** High-efficiency LED with instant-on feature, backed by positive user reviews and rigorous quality control. - • **Science-Backed Brain Boost:** Harness cutting-edge 40Hz flicker tech clinically proven to promote gamma brainwaves and cognitive health. - • **Precision Flicker Calibration:** Each bulb is industrially tested to deliver exact 40Hz frequency for maximum neural entrainment efficacy. ## Overview The Clarity 40Hz Light Bulb by Gamma is a scientifically engineered LED light therapy device designed to emit a precise 40Hz flicker frequency, proven to promote healthy gamma brainwave activity linked to improved memory and brain function. Featuring 700 lumens of cool white light, industrial calibration for accuracy, and a standard A19 E26 base, it offers a convenient, clinically backed neuro-entrainment solution for indoor use. ## Description Simple to use light bulb designed to promote Gamma brainwaves at 40Hz.Your Gamma Clarity Light Bulb has been specially designed to flicker at 40 Hz (40 times per second) and includes:1 x Gamma Clarity 40 Hz Light Bulb1 x Instruction Manual Every 40 Hz Gamma Clarity Light Bulb is calibrated and passes a quality inspection before being shipped.Note: The 40Hz Clarity Light Bulb produces a flicker that is noticeable to most people. Some people who suffer photosensitivity, epilepsy or are susceptible to seizures might negatively react to gamma light. We strongly encourage anyone who might be at risk to first contact their primary doctor before implementing any type of light therapy.Specifications: Color Temperature: Cool White Peak Watts: 7 Brightness: 700 Lumens Input: AC100-240v 50/60hz Size: Standard A19 Bulb Review: It has been my experience that various 40 hz entrainment lights are not all the same. Dealing with Alzheimer's has moved me to ensure I have the very best independently tested bulbs - only two have met my standards and at decent price. Clarity - 40Hz Light Bulb by Gamma - Improve Brain Function & Memory - Entrainment Device Biothm 40Hz Light Therapy Bulb Gamma Flickering LED Lamp, 9W White E26/E27, Holder Included Review: I don't find the flickering light annoying. I'm not sure if it works yet. We'll see, but even if this light bulb lasts one week, I'm glad I bought it. I think there's a huge brain epidemic going on and doctors are just guessing and giving it fancy names (in my opinion, allegedly). ## Features - SCIENCE-BACKED TECHNOLOGY - The Clarity Light Bulb was designed based on the latest cutting edge science and clinical studies on 40Hz light. - PRECISION FLICKER CALIBRATION - Each Gamma Light Bulb is calibrated and tested on industrial oscilloscopes to ensure precise frequency and maximum efficacy. - SAFELY PROMOTES BRAIN HEALTH - Current research shows that 40Hz flickering light induces a healthy gamma rhythm in the brain. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08X4W6N5M | | Accepted voltage frequency | 100 to 240 Volts and 50 Hertz to 60 Hertz | | Batteries Included | No | | Batteries Required | No | | Brand | Gamma Light Therapy LLC | | Brightness | 700 Lumen | | Bulb Base | E26 | | Bulb Shape Size | A19 | | Colour Rendering Index | 70 | | Colour Temperature | 4500 Kelvin | | Customer Reviews | 4.2 4.2 out of 5 stars (139) | | Date First Available | 21 March 2024 | | EU Energy Efficiency Label | High Efficiency | | Incandescent Equivalent Wattage | 7 Watts | | Indoor/Outdoor Usage | Indoor | | Item Package Quantity | 1 | | Item Weight | 97 g | | Light Colour | Cool White | | Light Source Type | LED | | Light Source Wattage | 7 Watts | | Light Type | LED | | Manufacturer | Gamma Light Therapy LLC | | Net Quantity | 1.0 Count | | Number of Items | 1 | | Power Consumption | 7 Watts | | Power Source | Electrical (AC) | | Shape | Globe(G) | | Special Feature | Instant On | | Special Features | Instant On | | Voltage | 120 Volts | | Wattage | 7 Watts | ## Product Details - **Brand:** Gamma Light Therapy LLC - **Bulb Base:** E26 - **Bulb Shape Size:** A19 - **Incandescent Equivalent Wattage:** 7 Watts - **Light Colour:** Cool White - **Light Type:** LED - **Net Quantity:** 1.0 Count - **Special Feature:** Instant On - **Voltage:** 120 Volts - **Wattage:** 7 Watts ## Images ![Clarity - 40Hz Light Bulb by Gamma - Improve Brain Function & Memory - Entrainment Device - Image 1](https://m.media-amazon.com/images/I/31Hk29vVBmL.jpg) ![Clarity - 40Hz Light Bulb by Gamma - Improve Brain Function & Memory - Entrainment Device - Image 2](https://m.media-amazon.com/images/I/41WAwiMR07L.jpg) ![Clarity - 40Hz Light Bulb by Gamma - Improve Brain Function & Memory - Entrainment Device - Image 3](https://m.media-amazon.com/images/I/510JPHCO8DL.jpg) ![Clarity - 40Hz Light Bulb by Gamma - Improve Brain Function & Memory - Entrainment Device - Image 4](https://m.media-amazon.com/images/I/512gD9IbmjL.jpg) ![Clarity - 40Hz Light Bulb by Gamma - Improve Brain Function & Memory - Entrainment Device - Image 5](https://m.media-amazon.com/images/I/515GRzfsphL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by G***N on 15 August 2025* It has been my experience that various 40 hz entrainment lights are not all the same. Dealing with Alzheimer's has moved me to ensure I have the very best independently tested bulbs - only two have met my standards and at decent price. Clarity - 40Hz Light Bulb by Gamma - Improve Brain Function & Memory - Entrainment Device Biothm 40Hz Light Therapy Bulb Gamma Flickering LED Lamp, 9W White E26/E27, Holder Included ### ⭐⭐⭐⭐⭐ Review *by G***T on 5 January 2026* I don't find the flickering light annoying. I'm not sure if it works yet. We'll see, but even if this light bulb lasts one week, I'm glad I bought it. I think there's a huge brain epidemic going on and doctors are just guessing and giving it fancy names (in my opinion, allegedly). ### ⭐⭐⭐⭐⭐ Review *by D***R on 13 October 2021* I wanted to get a light that flickered at 40 Hz after reading an article about brain wave entrainment. I've been using it for nearly 2 months. The bulb works as promised and expected. It flickers more noticeably than a dying fluorescent tube in a hospital morgue, but that is what it is intended to do. I don't mind the flickering, although people who are walking by when I use it remark that they find it really irritating. I don't. During the first month, I noticed that I was having very intense dreams every night, which indicated to me that my brain was reacting to it. My primary interest was to improve focus, concentration, and memory. I feel like it has helped, although it wasn't a leap to omniscience and peering through God's eye on the world. This is a good product for people who want to experiment with brain wave entrainment. I use it while listening to Gamma brain wave entrainment audio tracks. My other senses are not involved in my journey of greater mental clarity. ## Frequently Bought Together - Clarity - 40Hz Light Bulb by Gamma - Improve Brain Function & Memory - Entrainment Device - Biothm 40Hz Gamma Light Sound Therapy Device --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/645318774-clarity-40hz-light-bulb-by-gamma-improve-brain-function-memory](https://www.desertcart.co.uk/products/645318774-clarity-40hz-light-bulb-by-gamma-improve-brain-function-memory) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-16*