High-precision wireless temperature sensor with an easy-to-read local display. Designed to seamlessly expand your existing system across additional storage zones—with absolutely zero monthly fees. ⚠️ Please Note: To enable real-time smartphone alerts and automated cloud tracking, this sensor requires an active Wi-Fi network AND a Climate Guard 24/7 Gateway device. How it Protects Your Business: Stop relying on manual clipboards and guesswork. The BlueTag Screen Sensor is the perfect way to add an extra monitoring zone to your current layout. It gives your team instant, on-site visibility right at the appliance door while automatically transmitting climate data back to your central Cool IQ Gateway for continuous cloud tracking and 24/7 smartphone alerts. 🚨 At-a-Glance Local Checking: Features a sharp, high-contrast LCD screen so your staff can verify current, maximum, and minimum temperatures instantly without opening the appliance door. 🛠️ Effortless System Expansion: Scale your network as your facility grows. Link this extra sensor to your existing gateway via our simple app in just a few minutes to cover more fridges, freezers, or prep areas. 📈 Multi-Zone Flexibility: Built with high-accuracy internal sensors, plus dual inputs to connect up to two external probes. Monitor up to three distinct spots from this single unit. 💰 Zero Ongoing Fees: Expand your monitoring footprint without expanding your overhead. Buy your extra sensors once, own them forever, and pay $0 in ongoing subscription fees. Perfect For: Adding extra commercial cool rooms, walk-in freezers, or display lines to your system. Expanding tracking across multiple pharmaceutical storage fridges or laboratory cleanrooms. Boosting visibility across high-traffic, HACCP-compliant kitchen zones. Compatible Accessories: Add a Zero-Leak Flat Ribbon Probe: Feed an ultra-slim external probe straight through fridge or freezer door seals without letting cold air escape, letting you mount this display sensor safely outside on the wall. Specifications Model BlueTag TH30B BlueTag TH30R BlueTag TH30R-I BlueTag TH30R-ETU Communication Distance 50m (open space) Internal Probe Type Temperature and humidity External Probe × Optional √ External Probe Channels × Max. 2 probes External Probe Type × See External Probe List Built-in Sensor -30°C~+70°C; ±0.5°C F.S.0~100%RH; ±3%RH Temperature Units °C, °F Alarms Max. 6 Alarm Points each probe Report PDF/CSV Connection Bluetooth 5.2 Start Delay 0minute~72hours Logging Interval 1minute~99minutes Memory Capacity 20000 readings each probe APP Language Chinese, English, French, German, Portuguese, Russian, Spanish Certificate CE, FCC, EN12830, GMP, IATA, RoHS, HACCP, RTCA DO-160G Device Dimensions 83mm*68mm*20.5mm Battery 2*Replaceable AAA batteries Rechargeable lithium battery Installation Hanging, Folding stand Hanging, Folding stand, magnetic suction Weight 85g 90g (Main device)