WE ARE NZ COMPANY.THIS ITEM IS STOCKED IN AUCKLAND This auction for one brand new Water Monitor Digital PH Meter + TDS LCD Tester For Lab Aquarium Pool Hydroponic PH Meter Features: Wide Use: Ideal for household or laboratory use; Suitable for testing pH balance of drinking water, pool, aquarium,fishpond,soil-less culture, lab, sewage test, RO system, Spa, or hydroponics; Appropriate for wide range of applications *Measuring PH range: 0.0- 14.0pH *Resolution: 0.1 pH *Accuracy: ±0.1 pH *Operating temperature: 0-60°C (32-122°F) *Power supply: 1.5V button batteries (installed) *Dimensions: approx. 152 * 29 * 20mm/6.0 1.1 * 0.6 inch NOTE This ph meter is factory calibrated. Users can use it directly. Do not drop the entire PH meter in water of dip beyond the maximum immersion level. Do not touch or scratch the pin electrode. In addition, you must calibrate this tester whenever the following happens: If the tester was used or lay aside long time; It was used too often; Need High Accuracy. PACKAGE CONTENTS: 1 x Digital pH meter 1 x Screw driver 3 x AG 13 button cell batteries (included) 2 x Pouches of calibration buffer solution (4.0 & 6.86) 1 x Instruction manual