Quickly and accurately check water flow from nozzles, faucets, sprayers, and showers up to 5 GPM. Features: Provides High-Resolution Digital Flow Rate Display Within Seconds Collapsible 4.25in(10.8cm) Dia. Rubber Collection Funnel For Shower Heads Fits Under Faucets With As Little As 7.5in(19cm) Clearance Height Internal Diffuser Pad Controls Strong Nozzle Spray Simple Rugged Design Has No Moving Parts Self-Contained For One-Handed Operation     SC-5 UNIVERSAL FLOW METER SPECS: Range: 0.08-5.00GPM, 0.30-19.00LPM, 2-1140L/hr Accuracy: Greater of +/- 3% or 1 Least Significant Digit Resolution: 0.01GPM, 0.01LPM, 1L/hr Fluid Compatibility: Water & Water Based Solutions Only Battery: CR2032 Lithium Coin Cell (2-3 Year Battery Life) Size: 4.5in(11.4cm)W x 5in(12.7cm)L x 7.5in(19cm)Tall – 9in(23cm)Tall with funnel extended Weight: 0.7 lbs(0.3kg)