Model Number     DS900SP Unit Dimensions     2.5” x 6.2” (65.5 x 157.4 mm) Unit Weight     13 oz (.4 kg) Display Type     Polarized LCD Display Window Size      1.6” x .75” (40.64 x 19.05 mm) LCD Backlighting     SilverScreen Accuracy     +/- 3% Weight Calculation Range     1 oz to 100 lbs (.5 to 45 kg) Length Calculation Range     5 to 60” (13 to 154 cm) Power Requirement     9-Volt Battery (not included) Units of Measure     In, Lb, Oz / CM, Kg Waterproof Rating     IPX 7 (3 Ft submersion for 30 Minutes) Operational Temp. Range     0 to 122 F (-18 to 50 C) Warranty     2 Years