Professional 3 in 1 pH/EC/TEMP Meter Digital LCD Water Detector Multi-parameter Water Quality Monitor Multi-parameter Water Quality Tester This new 3 in 1 water quality monitor is a professional and necessary tool for testing pH/Temperature/EC of solution level. Suitable for aquarium pool, soilless culture, laboratory and environmental water. <b>Specifications:</b> Color: Blue Material: ABS Type: pH/EC-2981 Plug Type: EU / US <b>(Optional)&lt;/ b&gt; EC Unit: ms/cm, us/cm (Switchable) Input Voltage: 230～240V (EU) / 110～120V (US ) Range: pH: 0.00～; 14.00pH Temperature: 0℃ ～ 50℃ (32℉ ～ 122℉) EC: 0.00 ～ 19.99 ms/cm (0 ～ 2000us/cm) Resolution: pH: 0.01pH Temperature: 0.1℃(0.2℉) EC: 0.01 ms/cm (1 us/cm) Accuracy: pH: ±0.1pH Temperature: ±1℃(±2℉) EC: ±2%FS Temperature Compensation: 0℃ ～ ; 50℃ (32℉ ～ 122℉) Operating Temperature: 0℃ ～ 50℃ (32℉ ～ ; 122℉) Power Supply: DC 6V Item Size: Approx. 130 * 76 * 26mm / 5.1 * 3.0 * 1.0in (Excluding EC Probe) Item Weight: Approx. 138g / 4.9oz (3 in 1 Meter Body) Package Size: Approx. 25 * 18 * 7cm / 9.8 * 7.1 * 2.8in Package Weight: Approx. 487g / 17.2oz <b>Package List:</b> 1 * 3 in 1 Water Quality Monitor with EC Electrode 1 * User Manual 1 * pH Electrode 1 * Temperature Electrode 1 * AC-DC Adapter 2 * Suction Cups 1 * Bracket 1 * Mini Screwdriver</b>