Carlon Wireless Door Bell Chime Doorbell - brand new in package - $20 firm PRODUCT FEATURES: - up to 150´ operating range - 32 selectable codes block interference from outside signals Wireless chime receiver: - powered by 4x C-cell alkaline batteries (batteries not included) - 13 sounds to choose from (dong, ding dong, westminster chime, star spangled banner, hail hail the gang's all here, jingle bells, auld lang syne, dixie, the yellow rose of texas, happy birthday, Beethoven's 5th, joy to the world, take me out to the ballgame) - adjustable volume control Wireless push button: - powered by 2x 3V lithium batteries (batteries included)