AquaChek TruTest Digital Test Strip Reader P/N: 2510400 Tests for Free Chlorine/Bromine, pH and Total Alkalinity Specifically developed for pool and spa owners, the AquaChek TruTest Digital Test Strip Reader combines the ease and accuracy of AquaChek test strips with advanced digital technology. Now there is no guesswork required to interpret color results just dip a test strip in your pool or spa, insert in test strip reader and get fast, accurate digital results in seconds! Easy to use: Fast, accurate results in 15 seconds without color matching Large, easy-to-read LCD screen that displays test results Accurate: Uses technology developed specifically for pool and spa analysis Features: Numerical test results for Free Chlorine/Bromine, pH and Total Alkalinity low, ok, or high indicators for each test parameter Water-resistant Memory function stores the last 9 test results Power source: 2AA alkaline batteries (not included) Sixty (60) day limited manufacturer's warranty Kit Includes: TruTest Digital Test Strip Reader User's guide in 15 languages Pool Care and Treatment Information 25 TruTest Digital Strips