FlushMinder Automatic Dual-Flush System DIY Complete Kit attaches to the flush handle on standard toilets. The ONE and ONLY autoflush kit that converts single-flush toilets into fully automatic dual-flush. Great Cat Potty Training Accessory. Model: ASFS-TA1 Computerized Automatic Dual-Flush System Senses for Half or Full Flush Quick and Easy DIY Install on Most Standard Lever Flush "Flapper Valve" Toilets Includes 6 AA Standard Alkaline Batteries for up to 1 Year - 10,000 Flushes Ideal for Children, Elderly, Disabled and Cats . . . Yes, Cats!