Grow with confidence with OnePen where precision meets convenience: pH, EC Conductivity and Temperature with Bluetooth one click data via the Edenic app. This 3-in-1 tool measures pH, Conductivity (EC/PPM), and Temperature, optimizing nutrient uptake. Connect to the Edenic app via Bluetooth for real-time sharing, updates, and comprehensive data management One Click Data CaptureRecord, store, categorise and share your measurements in one easy-to-use app. Unlock the full potential of data with the OnePen and the Edenic app Superior Durability and Easy MaintenanceDouble-junction pH probe, titanium electrodes, and an IP68 dust and waterproof rating deliver durability, while the replaceable probe and health indicator simplify maintenance for long-lasting performance Precision and Prolonged AccuracyGet fast, precise readings down to 2 decimals. This reliable information empowers growers to make confident decisions, saving you time and ensuring optimal plant growth User Experience and DesignThis pen's ergonomic build and high-contrast backlit display also features simultaneous pH and Conductivity (EC) readings for a seamless user experience Advanced Connectivity and Data ManagementReal-time data sharing, software updates, and more - this pen is packed with features to optimise your growing experience. Product Features : Replaceable probe and health indicator Precise readings down to 2 decimals Ergonomic build and high-contrast backlit display IP68 dust and waterproof rated Suitable for nutrient solution One-click data - download the Edenic app and connect via Bluetooth Real-time data sharing and software updates View measurements remotely Package contents : 1 x Bluelab ONE Pen with replaceable multipurpose probe measuring - pH, Conductivity (EC) and Temperature3 x 18ml / 0.6 fl.oz Bluelab Solution Sachets, 1 each of: pH 7.0, pH 4.0, KCl Storage Solution1 x Bluelab Sensor Cleaning Brush2 x AAA Batteries