--- product_id: 695264594 title: "Drink Water Reminder, Smart Light for Water Bottle, Fits Most Bottles, Lights Up when Time to Drink, Hidrate Smart Water Bottle Reminder to Drink, Smart Hydration Reminder, Water Tracker - CACTUS" brand: "ulla" price: "R1110" currency: ZAR in_stock: true category: "Ulla" url: https://www.desertcart.co.za/products/695264594-drink-water-reminder-smart-light-for-water-bottle-fits-most store_origin: ZA region: South Africa --- # US Navy tech-powered smart light Universal fit for any bottle or mug 6-month battery life, no charging needed Drink Water Reminder, Smart Light for Water Bottle, Fits Most Bottles, Lights Up when Time to Drink, Hidrate Smart Water Bottle Reminder to Drink, Smart Hydration Reminder, Water Tracker - CACTUS **Brand:** ulla **Price:** R1110 **Availability:** ✅ In Stock ## Summary > 💧 Don’t be a cactus—hydrate smarter, live better! ## Quick Answers - **What is this?** Drink Water Reminder, Smart Light for Water Bottle, Fits Most Bottles, Lights Up when Time to Drink, Hidrate Smart Water Bottle Reminder to Drink, Smart Hydration Reminder, Water Tracker - CACTUS by ulla - **How much does it cost?** R1110 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/695264594-drink-water-reminder-smart-light-for-water-bottle-fits-most) ## Best For - ulla enthusiasts ## Why This Product - Trusted ulla brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Hydrate Like a Pro:** Smart sensor reminds you to drink every hour—stay energized and sharp all day. - • **Eco & Wallet Friendly:** Reusable on any bottle with a 6-month battery life—ditch disposable reminders for good. - • **Office-Approved Design:** Quiet, subtle light keeps you on track without disrupting your workflow or colleagues. - • **Plug & Play Simplicity:** No app, no fuss—just attach Ulla to your existing bottle and get instant hydration coaching. - • **Navy-Grade Attention Grabber:** Blinking tech developed by the US Navy ensures you never miss your hydration cue. ## Overview Ulla is the world’s first smart hydration reminder attachment that fits any water bottle or mug. Using US Navy-developed blinking technology and smart sensors, it lights up every hour to prompt you to drink water, helping you stay hydrated without apps or replacements. With a 6-month battery life and universal fit, Ulla transforms your existing bottle into a smart hydration coach trusted by over 500,000 users worldwide. ## Description Buy ULLA Drink Water Reminder, Smart Light for Water Bottle, Fits Most Bottles, Lights Up when Time to Drink, Hidrate Smart Water Bottle Reminder to Drink, Smart Hydration Reminder, Water Tracker - CACTUS: Sports & Outdoor Recreation Accessories - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - 💧 SMART LIGHT FOR WATER BOTTLE: Ulla is the world's first smart hydration reminder water bottle attachment! It can be seamlessly moved from bottle to bottle and uses smart detection sensors to remind you to drink water at least once per hour. - 💧 EASY TO USE: Ulla makes drinking water easy. No need to buy a new water bottle - just attach Ulla to turn your existing one into a smart water bottle and get the optimal hydration your body needs. With included silicon band you can mounted it on water bottles of all sizes and materials. It can also be attached to any standard glass or mug. - 💧 OFFICE FRIENDLY: It does not require any replacement parts or app set up unlike other smart water bottles. It's perfect to use for your home or office water bottle and lights up quietly without disturbing you or others around. - 💧 HYDRATE HYDRATE HYDRATE: Did you know 75% of people are dehydrated? Don't fall into this norm with the help of Ulla, your new personal hydration coach. This smart light up water bottle can help you drink 3x more water which can result in more energy, less headaches, better skin & metabolism, and an overall healthier lifestyle. - 💧 U.S. NAVY TECHNOLOGY: Ulla's blinking technology was developed by the US Navy and effectively grabs the user's attention. The light up attachment includes an auto ON/OFF, daylight sensor, proximity sensor, and has a 6 month battery life. Pre-installed CR2032 coin cell battery is already included, but can be replaced after life span. - 💧 HIGH QUALITY Drink Water Reminder is Trusted by over 500.000 people worldwide. As a result, everyone gets the full benefit of our innovative product. We all now drink more water, throughout our entire day – and feel better for it. - 💧 CUTE DESIGN: This light features a cute cactus with the words “DON’T BE A CACTUS” written across it and comes in a clean white color that will compliment any silicone water bottle, plastic water bottle or glass water bottle. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07G2C1T69 | | Battery Life | 6 months | | Battery Type | CR2032 | | Best Sellers Rank | #31,256 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #698 in Water Bottle Accessories | | Brand Name | Ulla | | Color | Cactus | | Customer Reviews | 4.3 4.3 out of 5 stars (2,320) | | Item Weight | 4.54 g | | Manufacturer | ULLA | | Manufacturer Part Number | ULLACACTUS | | Manufacturer Warranty Description | 1 year. | | Material Type | Plastic | | Model Number | ULLACACTUS | | Number of settings | 1 | | Smart Home Compatibility | Smart Home Compatible | | Unit Count | 1 Count | ## Product Details - **Brand:** Ulla - **Color:** Cactus - **Item Weight:** 4.54 g - **Material:** Plastic - **Number of settings:** 1 ## Images ![Drink Water Reminder, Smart Light for Water Bottle, Fits Most Bottles, Lights Up when Time to Drink, Hidrate Smart Water Bottle Reminder to Drink, Smart Hydration Reminder, Water Tracker - CACTUS - Image 1](https://m.media-amazon.com/images/I/61g8NGZpoYL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: Would this fit a wide mouth HydroFlask?** A: Yes! It fits my 32 oz wide mouth Hydroflask perfectly. :) **Q: How do you change the battery?** A: Simply take off the cap and you will be able to remove the battery and replace it with a new one. **Q: Will it work if you use a straw on your water bottle? To track your drinking** A: Yes as long as you move the bottle/pick it up. It works by motion. **Q: How long will the light blink to remind you to take a sip?** A: Hello, the light blinks for 1 minute or until you pick up the bottle. ## Frequently Bought Together - ULLA Drink Water Reminder, Smart Light for Water Bottle, Fits Most Bottles, Lights Up when Time to Drink, Hidrate Smart Water Bottle Reminder to Drink, Smart Hydration Reminder, Water Tracker - CACTUS - GWaT - Hydration Tracker for Water Bottles, Helps You Drink More --- ## 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.za/products/695264594-drink-water-reminder-smart-light-for-water-bottle-fits-most](https://www.desertcart.co.za/products/695264594-drink-water-reminder-smart-light-for-water-bottle-fits-most) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-07-20*