... stock commedityautomatic faucet sensorsensor size15mm*24mm (common type)components Control board (sensor), solenoid, batteries/converter, accessoriesunacked time2s & 6s for urinal flusher ... voltage DC 3.9V-6VOur Advantages1. The same control panel/circuit board can be used for faucet, urinal flusher, toilet flusher and ...