Note: This itemcomes with US 110V plug, please confirm the voltage of your area before purchasing.DescriptionStylish appearance and light touch design. It is simple and convenient to install it in your home. Ultra-low power design, power saving, and long-lasting use. And this Doorbell Receiver with optional volume adjustment. And there are 38 polyphonic ringtones to choose from.You don't need to press the button hard to control it, it's easy to use with a simple touch.Features-Color: White-Material: ABS-Size:9.00X4.70X4.50cm/3.54X1.85X1.77in-Voltage:5V-Power:5W-Wave Frequency:433Mhz-This doorbell receiver adopts a wireless plug-in charging type, suitable for indoor doorbell reception.-Will not interfere with other equipment in your home or those of your neighbors.-Ultra-low power consumption, withstands various harsh weather conditions.-Convenient and easy-to-use design for an enhanced user experience.-Rest assured that youll never miss any important guests or urgent deliveries again with the help of this doorbell receiver.Packing list: 1 x Wireless Door Bell Chime