PATENTED AND CLINICALLY TESTED: The Lit-Control pH Meter is a unique and innovative medical device developed to measure urinary pH in patients with kidney stones. It is the best option for monitoring urinary pH at home quickly, easily, and safely. BENEFITS: Precise measurement of urinary pH, thanks to innovative technology. It is quick and easy to use. It allows for home use with sensitivity, specificity, and accuracy equivalent to a laboratory pH meter. MONITORING: Specific monitoring benefits for patients with high recurrence or recurrent kidney stones, cystinuric patients, and those with ureteral catheters. ADVANCED MICROSENSOR TECHNOLOGY: This is a first-in-class, state-of-the-art medical device with advanced microsensor technology protected by international patents. RELIABLE AND ACCURATE METHOD FOR URINARY pH MONITORING: The Lit-Control pH Meter is a medical device for reading urinary pH that is reliable, more accurate, sensitive, and specific than colorimetric pH test strips, whether interpreted by non-experts, healthcare professionals, or electronic readers, according to the results of the following publications: 1) Grases F., et al 2014, 2) De Coninck V., et al 2018, and 3) Angerri O., et al 2020 Composition 1x pH Sensor 1x Test Beaker (T) 4x Calibration Solution Bottles Self-monitoring Notebook