Self-Powered Waterproof Doorbell 60 Chimes No Battery Required Smart Home Cordless Door Bell US EU UK Plug

The receiving distance may be affected by the environment or obstacles The button cannot be placed on the iron door, which will shield the signal. We recommend that the button be placed next to the iron door. In addition, the receiver should not be placed near the microwave or the radio, which would interfere with the signal. Instead of using a battery, the button converts kinetic energy into electrical energy and sends a signal when pressed;Don't worry if the battery has power, so don't miss important visitors. We use a new digital circuit device,after the power is turned off,remember the music set before,no need to set music again; Neighbors' doorbells don't interfere with our doorbells. 5 volume levels 0-110db,60 ringtones Rated voltage: AC 110-240V, 50-60Hz The Transmitter can work normally in snow or high temperature environment, waterproof and dustproof. Rated voltage: AC 110~ 240V ,50-60Hz Working frequency: 433MHz Available in a variety of plugs, US/EU/UK Plug and AU adapters, suitable for most countries. connect to smart phone , please install APP IP doorbell.

• The receiving distance may be affected by the environment or obstacles
• The button cannot be placed on the iron door, which will shield the signal. We recommend that the button be placed next to the iron door.
• In addition, the receiver should not be placed near the microwave or the radio, which would interfere with the signal.
• Instead of using a battery, the button converts kinetic energy into electrical energy and sends a signal when pressed;Don't worry if the battery has power, so don't miss important visitors.
• We use a new digital circuit device,after the power is turned off,remember the music set before,no need to set music again;