Delta Lahara Touch2Oxt Stainless 1 handle Single Hole 4 in Centerset WaterSense Bathroom Sink Faucet with Drain White Vanity Memory position valve to turn Memory position valve to turn water on and off at preferred temperature without readjusting handle position Variable Speed Charger Included Charger Not Included Tools Product Type Power Tool Number of Batteries Included 2 Voltage (volts) 12 Condition New Batteries Included Yes Motor Type Brushless Drive Size (in Operate hands free by placing your hands near the faucet because washing the mess off your hands shouldn’t involve making a mess of your faucet Automatic water flow shut off after two minutes helps conserve water Battery operated (6 AA included) for up to 2 year battery life or 6 C (not included) for up to 5 year battery life Optional A C adapter EP73954 may be ordered separately With Touch2O® Technology a simple touch anywhere on the spout or handle will start and stop the flow of water LED light signals when touch mode is active and when batteries are running low Automatic water flow shut off after one minute if the water is left running