, feature , which creates a 3-inch omnidirectional sensing zone for reliable activation.
: Most are battery-operated (using AA or D batteries) with lifespans often reaching 3 years or 400,000 cycles . Optional AC power adapters are often available. Key Components Auto Faucet
: Quality models are typically made from solid brass or stainless steel to resist corrosion. Some use "dry" cam-gear technology instead of solenoid valves to reduce maintenance needs. , feature , which creates a 3-inch omnidirectional