DescriptionThis is a set of intelligent doorbells, which are made of high-quality materials, durable and can be used for a long time. The receiver requires no wiring and is plug and play. A transmitter is attached to the wall outside the door.The indoor receiver is inserted into the USB interface for quick and convenient use.Features-Color: White. -Material: ABS. -Size: About 7.70X4.60X2.00cm/ 3.03X1.81X0.79in. -Consumed power: 0.5 (W) -The power supply voltage: 5 (V) -Scope of application: Distance in the open space of 150 meters -The bell: 60 pieces of music at 5 levels -Type: Wireless doorbell - The receiver requires no wiring and is plug and play.A transmitter is attached to the wall outside the door.The indoor receiver is inserted into the USB interface for quick and convenient use. - 60 pieces of music and 5 levels of volume can be provided for you to choose freely. - They can transmit signals from a long distance, up to 150 meters, without worrying about receiving signals. - USB plug can be rotated, vertically inserted or measured inserted with humanized design. - Share with your friends and family as they are wonderful gifts.
