Features: Simple design, easy to carry and operate. ABS housing, copper test top, LED indicator screen. Conductivity test method to determine the salt concentration in liquid foods. Place the probe at least 2seonds above the surface of the liquid, and the result will appear. The red light indicates the concentration of salt, green light indicates the power. Specifications: Item Name: Salinity Tester Material: ABS, Copper Color: White Size: About 212x24.8x15.4mm Battery:4xbutton battery(not included) Current: 20mA(max) Voltage: 6V Measuring Range :0.3-2.0%(salinity) Package Included: 1Pc x Salinity Tester 1Pc x I nstruction Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement. 1) We accept Alipay, West Union, TT.All major credit cards are accepted through secure payment processor ESCROW. 2 If you can't checkout immediately after auction close, please wait for a few minutes and retry Payments must be completed within 3 days. 1) WORLDWIDE SHIPPING. (Except some countries and APO/FPO) DHL UPS TNT FEDEX takes 3-7 days ,EMS takes 8-12 days. Post air mail need 2-8 weeks.But all of them are dependent on the country delivered to. 2) SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season. 1) Buyer's early confirmation will be highly appreciated after receiving the items. 2) Since your feedback is very important to our business's development, we sincerely invite you to leave positive feedback for us if you are satisfied with our product and service. 3) Please contact us before leaving any negative or neutral feedback. We will work with you to solve any problems.Thank you for your understanding!