32 Music Tune Wireless Remote Control Doorbell Door Bell w/ Receiver Device Type:Wireless Doorbell /Remote Control For receiver: Powered by 2 pieces of 1.50V AA batteries to be placed inthe slot of the receiver ( not included ) For remote control: Powered by 1 piece of 12V 23A battery (Included) Color: White Item included:2 x Doorbell Receiver 1 x Remote Control 1 x Battery (12V 23A battery)