?The pen pH meter is professional and ideal tool for testing PH / Temperature / EC / CF / TDS of your water level. Suitable for aquarium pool and environment water. <br><br><strong>Features:</strong> <br>Use to measure the PH / Temperature / EC / CF / TDS of solution. <br>Easy calibration of pH and TDS with just a mini-screwdriver. <br>Can online monitoring for a long time. <br>Can work continuously more than 10 hours of power outage or outdoor without power after charging the battery for 3 hours. <br>Clear LCD with backlight. <br>Apply in water sources£¬ aquarium£¬ hydroponics£¬ spas£¬ swimming pools and other water systems. <br>Automatic temperature compensation. <br>CE Certificated to Offer Safer and Precise Measurement. <br>Easy to use and provides instant display of results. <br><br><strong>Specifications:</strong> <br>Range: pH: 0.00 ¡« 14.00pH <br>? ? ? ?Temperature: 0¡æ ¡« 50¡æ (32¡ãF ¡« 122¡ãF) <br>? ? ? ?EC: ?0.00 ¡« 19.99EC ? ? <br>? ? ? ?CF: ?0.0 ¡« 199.9CF <br>? ? ? ?TDS: 10 ¡« 9990ppm <br>Resolution: pH: 0.01pH <br>? ? ? ? ? ? Temperature:0.1¡æ <br>? ? ? ? ? ? EC: 0.01EC ?? <br>? ? ? ? ? ? CF: 0.1CF ?? <br>? ? ? ? ? ? TDS: 10ppm <br>Accuracy: pH: ¡À0.1pH? <br>? ? ? ? ? Temperature ?¡À1.0¡æ ? ? <br>? ? ? ? ? EC¡¢CF¡¢TDS:¡À2%F.S <br>Temperature Compensation: 0¡ãC ¡« 50¡ãC (32¡ãF ¡« 122¡ãF) <br>Working temperature: 0¡ãC ¡« 50¡ãC (32¡ãF ¡« 122¡ãF)? <br>Power supply: ?DC ?6V (Power Adapter Usable) <br>Color: Blue <br>Material: ABS <br>Item Size: 15.2 * 8 * 2.6cm / 6.0 * 3.1 * 1.0in <br>Item Weight: 235.6g / 8.3oz <br>Package Size: 24 * 20 * 5.6m / 9.4 * 7.9 * 2.2in <br>Package Weight: 705g / 24.9oz <br><br><strong>Package List:</strong> <br>1 * 5 in 1 Meter? <br>1 * User Manual <br>1 * Conductivity Electrode <br>1 * pH Electrode pH Electrode <br>1 * Temperature Electrode <br>1 * AC-DC Adapter <br>2 * Suction Cups <br>1 * Plastic Hook <br>1 * Mini Screwdriver