Bluelab TRUNV2 Truncheon Nutrient Meter for Plant Germination, White\n\nProduct Overview\n\n--Style Name: Meter\n\nFeatures\n\n--Quickly monitor your nutrient level to maximize your grow and ensure plants get the balanced feed they need\n\n--Measures (tds) EC, ppm 500, ppm 700 and CF with with automatic temperature adjustments; no calibration required (comes factory calibrated)\n\n--Fully waterproof and great for mixing a reservoir while measuring nutrients\n\n--Other features: auto off function, no buttons or switches INCLUDES: AA batteries\n\n--Made in New Zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment; 5 Year Limited Warranty with proof of purchase\n\nDetails\n\n--Product Dimensions: \u200E40.49 x 3 x 3 cm; 199.58 Grams\n\n--Part number: \u200E716050\n\n--Item display height: \u200E4 centimetres\n\n--Item display length: \u200E42 centimetres\n\n--Item display width: \u200E4 centimetres\n\n--Item display weight: \u200E0.3 Kilograms\n\n--Mat4