Speakman Sensorflo Slim gooseneck battery operated faucets provide facilities with ultimate reliability and easy maintenance. Perfect for hotels, private washrooms and other public commercial lavatories, the S-9100 lavatory faucet features an all brass body and spout. With all electronics and batteries housed above the counter, maintenance of the S-9100 is simple and can be performed in minimal time. The faucet is equipped with a solenoid with a built-in filter and a 60-second time out feature to prevent floods. The S-9100 uses two (2) 3-volt lithium batteries and features a low battery warning light which indicates when 10% life remains. The Speakman Sensorflo faucet line is certified to meet ASME A112.18.1/CSA B125.1.