Wireless Doorbell,Push Button Self-powered Transmitter Waterproof Flashing Door Bell, 38 Chimes 5 Volume Levels (Silver)

الميزات الأساسية

• 【No Battery Required】When your finger presses the doorbell transmitter, the kinetic energy is converted into electric energy, & the doorbell transmitter can transmit wireless signals. No batteries required, no need to replace doorbell batteries
• 【38 Melodies & Flash LED Light】Wireless doorbells for home has 386 Melodies and 5 levels of volume range . The built-in big LED indicator offer additional assistance for the hearing impaired
• 【Long Operating Range Up to 200m】Wireless doorbells the strong wireless signal is up to 200m in open area, will not interfere with other equipment in your home or those of your neighbors
• 【Easy to Install】The easy-to-install button sticks well to any surface, or use screws to secure the button to the door frame, just plug in and start using. The bell also flashes blue light so it's visible even with headphones on
• 【Multi Use】The door bell ringer wireless can be set up in seconds. The mini waterproof doorbell chime is suitable for home, office, classroom, shop and the place where master should be told the vistor come