{"product_id":"blue-tees-golf-series-4-ultra-golf-rangefinder-accurate-flag-lock","title":"Blue Tees Golf Series 4 ULTRA Golf Rangefinder - Accurate Flag Lock","description":"\u003cp\u003eIn this review of the Blue Tees Golf Series 4 ULTRA, the bottom line is simple: this is a premium rangefinder for golfers who want reliable flag lock accuracy and practical weather resistance in a compact package. The Series 4 ULTRA stands out for its clear \u003cstrong\u003eOLED display\u003c\/strong\u003e, 6x magnification and tactile feedback, making it a strong choice for players who value fast, repeatable distance reads on the course. It balances advanced features like slope switching and an adaptive depth filter with a durable, magnet-equipped build for mounting on carts.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlag Lock Precision:\u003c\/strong\u003e Flag Lock technology secures distances to the pin up to 350 yards so you can trust yardages on approach shots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdaptive Slope Switch:\u003c\/strong\u003e The slope switch lets you toggle between slope-adjusted and standard distances quickly for tournament-legal play or slope-aware yardages.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOLED Display and Brightness Control:\u003c\/strong\u003e A crystal-clear OLED display with brightness adjustment improves target acquisition in varying light conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive Tracking and Pulse Vibration:\u003c\/strong\u003e Active Track and pulse vibration provide instant tactile feedback and stable reads while moving or tracking a flag.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Ultra MagStrip:\u003c\/strong\u003e A strong magnet and thermoplastic elastomer housing secure the unit to a cart or bar for convenient access between shots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeather Resistant Build:\u003c\/strong\u003e IP56 protection keeps the unit functional in wet and dusty conditions so it performs reliably on the course.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Series 4 ULTRA is aimed at committed golfers who want a mix of advanced measurement tools and rugged convenience: players who prefer quick pin acquisition with \u003cstrong\u003eflag lock\u003c\/strong\u003e, use slope-adjusted numbers on hilly rounds, and appreciate a bright display and vibration confirmation. It also suits golfers who keep their gear on a cart and need a secure magnetic mount.\u003c\/p\u003e\n\u003cp\u003eLess suitable for casual players who only need basic range readings and want the simplest, lowest-cost option; also those who demand unabashedly maximum optical brightness in all conditions may find brightness opinions mixed among users.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExcellent optics and 6x magnification deliver crisp target views for confident alignment.\u003c\/li\u003e\n\u003cli\u003eUseful Adaptive Slope Switch and Auto-Depth Filter improve on-course distance choices on varied terrain.\u003c\/li\u003e\n\u003cli\u003eStrong magnet and IP56 protection make it practical for cart use and wet rounds.\u003c\/li\u003e\n\u003cli\u003eIncluded case, cleaning cloth and accessories add value out of the box.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBrightness and accuracy received mixed remarks from some customers, so extreme low-light users may wish to compare displays in person.\u003c\/li\u003e\n\u003cli\u003eAdvanced feature set may be more than some casual golfers require.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eSeries 4 ULTRA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnification\u003c\/td\u003e\n\u003ctd\u003e6x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Range\u003c\/td\u003e\n\u003ctd\u003e1200 yards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlag Lock Range\u003c\/td\u003e\n\u003ctd\u003eUp to 350 yards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003eOLED with brightness control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeather Resistance\u003c\/td\u003e\n\u003ctd\u003eIP56 dust and water resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Accessories\u003c\/td\u003e\n\u003ctd\u003eCase, microfiber cloth, lanyard, batteries, sticker, mountaineer buckle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Blue Tees Golf Series 4 ULTRA is a well-rounded rangefinder for serious golfers who want accurate flag locking, slope flexibility and durable cart mounting. Its OLED display, pulse vibration and tracking features justify the price for players who value consistent, on-course performance and a complete accessory package.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the unit measure with slope and without slope?\u003c\/strong\u003e\u003cbr\u003eThe Adaptive Slope Switch lets you toggle between slope-adjusted and standard distance readings quickly for either mode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow durable is the mount for cart use?\u003c\/strong\u003e\u003cbr\u003eThe Ultra MagStrip magnet and thermoplastic elastomer housing provide a strong attachment for carts and bars and the unit carries an IP56 rating for protection in wet conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is included in the box?\u003c\/strong\u003e\u003cbr\u003eThe package includes a weather-proof carrying case, microfiber cleaning cloth, lanyard, three batteries, a sticker, mountaineer buckle, quick start guide and a 2-year manufacturers warranty.\u003c\/p\u003e","brand":"Blue Tees Golf","offers":[{"title":"Default Title","offer_id":46467367370971,"sku":"B0DG63JKRL","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71UHEz065KL._AC_SL1500.jpg?v=1738802373","url":"https:\/\/gearmusthave.com\/products\/blue-tees-golf-series-4-ultra-golf-rangefinder-accurate-flag-lock","provider":"GearMustHave","version":"1.0","type":"link"}