Check the listing for details. Wireless Doorbell with Button 3 Chime Options Black OPEN BOX. Color: Black, Condition: Open box. Listed at 25.99 USD. Chime, 150 Foot Range Same Day Shipping, See policy below. Great bell for Multi Uses. ~ Doorbell ~ Signaling System, Outside or Use Indoors for someone who is not mobile and needs a way to let you know help is needed. ~ Great for the not so mobile Elderly who might need help inside the same house. It Does have VOLUME CONTROL and THREE CHIME Options. ~ Permanent or Temporary Placement - You should be able to place on the inside walls with those double sided Velcro strips that pull off the wall with no marks left. Sold almost anywhere. ~ Wireless - NO NEED TO HOOK UP to A COMPUTER or through a Wireless system. It runs through its own internal wireless system ( 4 Channel receiver ). ~ NO RUNNING WIRES - Runs On 3 C Batteries ( not included ), battery for bell is included. Adjustable volume control3 Selectable tunes: west minister, ding-dong, and dingUp to 150 ft transmission rangeWireless push button included