Fuers Wireless Doorbell Welcome Bell Home Chime Door Bell Waterproof 32 Songs Smart Doorbell For Sm The product is shipped based on the color or size of the main image of the product page. Fuers Wireless Doorbell Welcome Bell Home Chime Door Bell Waterproof 32 Songs Smart Doorbell For SmFunction: 1.32 songs optional.2. Doorbell alarm welcome multi-purpose.3. Can learn up to 30 transmitters no loss of power.4. Support 1527/2262 code chip.(button??5. Volume 4 adjustable.??No mute mode??6. Support multiple doorbell transmitter suitable for large house.7. IP33??Daily life waterproof. Warm Prompt: Touch Button Daily Life Waterproof.In order to ensure that the doorbell button can be used normally for a long time please place it under the eaves or buy a rain cover. Specification: Brand Name: FuersColor: WhiteConnection Type: WirelessPower: Electric SupplyUse of premises: HomeofficevillafactoryschoolhospitalReceiving distance: 150M (open area)Music: 32 songsAdd: Learn 30 accessories Doorbell AlarmVolume: 4 levels adjustableButton Battery: 1pcs 12V 23A battery(Not included) Technical parameter?? 1. Receiver Working voltage: AC 100-220V2. Working current: