Industrial Grade and High Precision: LAWNFUL soil pH meter is INDUSTRIAL GRADE product with high precision. It’s embedded with sophisticated algorithms, great for gardening, home & lab research. High Accuracy: Double-needled stainless-steel probes is highly sensitive & anticorrosive. Ready-To-Use: Handheld Design and portable, it only weighs 160 grams, easy to carry around. Low power consumption: 3 pcs of AA batteries already included in the product could support for 5 years. WORRY-FREE ONE YEAR WARRANTY: We provide 1 Year Warrantee for our products. If there was any quality problem, we can resend a new one for you. Please Note: LAWNFUL soil pH meter can only be used to measure soil pH, not liquid ! ASIN B0DC58L8MP Item Weight 9.6 ounces Manufacturer LAWNFUL Item model number GSph-b-LFy Product Dimensions 10 x 2 x 2.7 inches